Free shipping over C$100
ACCEL Adjustable Vacuum Advance for GM HEI Distributors for 121 vehicles
Part # 31035
- Increases Horsepower And Throttle Response
- Includes Allen Wrench For Adjustments
Description
This unit permits a seamless wide range of adjustment to both amount and rate of ignition advance. This unit helps increase horsepower and throttle response. It provides maximum spark advance while preventing detonation or "pinging". This kit includes an allen wrench for easy adjustment along with instructions.
Specifications
| Color | Silver |
|---|---|
| Distributor Type | Accessories |
| Material | Steel |
| Weight | 0.7500 |
| UPC / GTIN | 00743047007211 |
| Warranty | Manufacturer's Limited 90 Day Warranty |
| Year | Make | Model | Submodel | Engine | Note |
|---|---|---|---|---|---|
| 1975 | Buick | Apollo | Base, SR | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | Century | Base, Custom, Luxus | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | Century | Base, Custom, Indianapolis 500 Pace Car | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | Century | Base, Custom | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Buick | Century | Custom, Limited, Special, Sport | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Buick | Century | Custom, Limited, Special, Sport | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Buick | Century | Base, Estate, Limited, Sport | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Buick | Century | Base, Estate, Limited, Sport | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | Electra | Custom, Limited | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | Electra | 225, Limited | 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | Electra | 225, Limited | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Buick | Electra | 225, Limited, Park Avenue | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Buick | Electra | Estate Wagon, Limited, Park Avenue | 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1984 | Buick | Electra | Estate Wagon, Limited, Park Avenue | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1989 | Buick | Electra | Estate Wagon | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Buick | Estate Wagon | Base | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1979 | Buick | Estate Wagon | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Buick | Estate Wagon | Base | 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1983 | Buick | Estate Wagon | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | LeSabre | Base, Custom | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | LeSabre | Custom | 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | LeSabre | Base, Custom, Custom Sport | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Buick | LeSabre | Base, Custom | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Buick | LeSabre | Base, Limited | 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Buick | LeSabre | Custom, Limited, Limited Edition F/E | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Buick | LeSabre | Collector's Edition, Custom, Estate Wagon, Limited | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 - 1990 | Buick | LeSabre | Estate Wagon | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | Regal | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | Regal | Base, SR | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | Regal | Base, SR | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Buick | Regal | Base, Limited | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Buick | Regal | Base, Limited | 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Buick | Regal | Base, Limited | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Buick | Regal | Base, Limited | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 - 1987 | Buick | Regal | Base, Limited | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | Riviera | Base, GS | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | Riviera | Base, SR, Sport | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | Riviera | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Buick | Riviera | Base, LXXV Anniversary Edition | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Buick | Riviera | Base, S | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Buick | Riviera | Base, S | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Buick | Riviera | Base, T-Type | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Buick | Riviera | Base, Limited Edition | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Buick | Riviera | Base, Luxury, XX Anniversary Edition | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1985 | Buick | Riviera | Base, Luxury | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Buick | Skylark | Base, SR | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Buick | Skylark | Base, S, SR | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Buick | Skylark | Base, S, SR | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Buick | Skylark | Base, Custom, S, Sport | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Buick | Skylark | Base, Custom, S | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Bel Air | Base | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | Blazer | Custom Deluxe, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | Chevrolet | Blazer | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | C10 | Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | C10 | Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | C10 | Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1980 | Chevrolet | C10 | Big Ten, Cheyenne, Custom, Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | C10 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1986 | Chevrolet | C10 | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | C10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1979 | Chevrolet | C10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | C10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | C10 Suburban | Custom, Deluxe | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | C10 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | C10 Suburban | Custom, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1986 | Chevrolet | C10 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1989 | Chevrolet | C1500 | Cheyenne, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | C1500 | Cheyenne, Scottsdale, Silverado, WT | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Chevrolet | C20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | C20 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1985 | Chevrolet | C20 | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | C20 | Base, Cheyenne, Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | C20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | C20 Suburban | Custom, Deluxe | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | C20 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | C20 Suburban | Custom, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1986 | Chevrolet | C20 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | C2500 | Base, Cheyenne, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | Chevrolet | C2500 | Base, Cheyenne, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | C2500 | Base, Cheyenne, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | C30 | Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 - 1978 | Chevrolet | C30 | Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Chevrolet | C30 | Base, Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | C30 | Base, Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | C30 | Base, Custom, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | Chevrolet | C30 | Custom, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | Chevrolet | C3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Camaro | Base, LT, RS | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Camaro | Base, LT, LT Rally Sport, Rally Sport | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Chevrolet | Camaro | Base, LT, LT Rally Sport, Rally Sport, Z28 | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Camaro | Base, Berlinetta, Rally Sport, Z28 | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Camaro | Base, Berlinetta, Rally Sport, Z28 | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | Camaro | Berlinetta, Sport, Z28 | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | Camaro | Berlinetta, Sport, Z28, Z28 Indianapolis 500 Pace Car | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | Camaro | Berlinetta, Sport, Z28 | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1986 | Chevrolet | Camaro | Berlinetta, Iroc-Z, Sport, Z28 | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | Camaro | Iroc-Z, LT, Sport, Z28 | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | Camaro | Base, Iroc-Z | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 - 1990 | Chevrolet | Camaro | Iroc-Z, RS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Caprice | Classic, Classic Sport, Estate Wagon | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Caprice | Classic, Classic Estate, Classic Landau, Classic Sport | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Chevrolet | Caprice | Classic, Classic Estate, Classic Landau | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Caprice | Classic, Classic Landau, Classic Sport, Landau | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Caprice | Base, Classic, Classic Landau, Classic Sport | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | Caprice | Classic, Classic Estate, Classic Landau | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | Caprice | Classic, Classic Estate | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | Chevrolet | Caprice | Classic | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | Caprice | Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | Caprice | Base, Classic, Classic Brougham | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 - 1990 | Chevrolet | Caprice | Base, Classic, Classic Brougham, Classic LS Brougham | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Chevelle | Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Chevelle | Laguna Type S-3, Malibu, Malibu Classic, Malibu Classic Estate | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Chevelle | Malibu, Malibu Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | Corvette | Stingray | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Corvette | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Corvette | Base, Indianapolis 500 Pace Car, Silver Anniversary Edition | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Corvette | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Corvette | Base | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | Corvette | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | Corvette | Base, Collector's Edition | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1985 | Chevrolet | Corvette | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | Corvette | Base, Indianapolis 500 Pace Car | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | El Camino | Base, Classic, SS | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | El Camino | Base, Classic, SS | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | El Camino | Base, Classic, Conquista, SS | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | El Camino | Base, Conquista, SS | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | El Camino | Base, Royal Knight, SS | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | El Camino | Base, Royal Knight, SS | 4.4L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | El Camino | Base, Conquista, Royal Knight, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1986 | Chevrolet | El Camino | Base, Conquista, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | El Camino | Base, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1980 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | Chevrolet | G10 | Beauville, Bonaventure, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | G10 | Base, Beauville, Bonaventure, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | G10 | Beauville, Bonaventure, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 - 1987 | Chevrolet | G10 | Beauville, Bonaventure, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | Chevrolet | G10 | Beauville, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Chevrolet | G20 | Beauville, Chevy Van, Nomad, Sportvan | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | G20 | Beauville, Chevy Van, Nomad, Sportvan | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | G20 | Beauville, Chevy Van, Nomad, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | Chevrolet | G20 | Beauville, Bonaventure, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1990 | Chevrolet | G20 | Beauville, Chevy Van, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | Chevrolet | G30 | Beauville, Bonaventure, Chevy Van, Hi-Cube, Sportvan | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 - 1990 | Chevrolet | G30 | Beauville, Chevy Van, Hi-Cube, Sportvan | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Impala | Base, Custom, Sport | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Impala | Base, Custom, Custom Landau, S, Sport | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Impala | Base, Custom, Landau | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Impala | Base, Landau | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Impala | Base, Landau, Sport | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Impala | Base, Sport | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | Chevrolet | Impala | Base, Estate | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1985 | Chevrolet | Impala | Base | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | K10 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K10 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1986 | Chevrolet | K10 | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | K10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K10 Suburban | Custom, Deluxe | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | K10 Suburban | Custom, Scottsdale, Silverado | 5.7L V8, 6.2L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | K10 Suburban | Custom, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | K10 Suburban | Custom, Scottsdale | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | K10 Suburban | Custom, Scottsdale, Silverado | 5.7L V8, 6.2L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | K10 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1989 | Chevrolet | K1500 | Cheyenne, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | K1500 | Cheyenne, Scottsdale, Silverado, WT | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Chevrolet | K20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K20 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1983 | Chevrolet | K20 | Custom, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | K20 | Custom, Scottsdale | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | K20 | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | K20 | Custom, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Chevrolet | K20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | K20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | K20 Suburban | Custom Deluxe, Scottsdale | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Chevrolet | K20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K20 Suburban | Custom, Deluxe | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | K20 Suburban | Custom, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | K20 Suburban | Custom, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | K20 Suburban | Custom, Scottsdale | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Chevrolet | K20 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Chevrolet | K20 Suburban | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | Chevrolet | K2500 | Cheyenne, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | K30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K30 | Cheyenne, Custom, Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1986 | Chevrolet | K30 | Custom, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | Chevrolet | K3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | K5 Blazer | Base, Cheyenne | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe, Silverado | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | K5 Blazer | Cheyenne, Custom Deluxe, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | K5 Blazer | Custom, Deluxe, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1983 | Chevrolet | K5 Blazer | Custom, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Chevrolet | K5 Blazer | Custom, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1986 | Chevrolet | K5 Blazer | Custom, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Malibu | Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Malibu | Base, Classic, Classic Estate, Classic Landau | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Malibu | Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Landau, Police, Sport | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Malibu | Base, Classic, Classic Estate, Classic Landau, Classic Sport, Estate, Sport | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | Malibu | Base, Classic, Classic Landau | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | Malibu | Classic | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | Malibu | Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Monte Carlo | S | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Monte Carlo | Landau, S | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Monte Carlo | S | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Monte Carlo | Landau, Sport | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Monte Carlo | Base, Landau | 4.4L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Chevrolet | Monte Carlo | Landau, Sport | 4.4L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Chevrolet | Monte Carlo | Base, Landau | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Chevrolet | Monte Carlo | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Chevrolet | Monte Carlo | Base, CL, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1985 | Chevrolet | Monte Carlo | Base, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 - 1988 | Chevrolet | Monte Carlo | Base, LS, SS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Monza | 2+2, S | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Monza | 2+2, 2+2 Spyder, Base | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Monza | 2+2, 2+2 Spyder, Mirage, Towne Coupe, Towne Coupe Cabriolet, Towne Coupe Sport | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Monza | 2+2, 2+2 Sport, 2+2 Spyder, Base, S, Sport | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Monza | 2+2, 2+2 Sport, 2+2 Spyder, Base, S | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Chevrolet | Nova | Base, Custom, LN, Police | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Chevrolet | Nova | Base, Concours, Police, SS | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Chevrolet | Nova | Base, Concours, Police, Rally | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Chevrolet | Nova | Base, Custom, Police, Rally | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Chevrolet | Nova | Base, Custom, Rally | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | R10 | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | R10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | R10 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | R1500 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | R20 | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | R20 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | R20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | R20 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | Chevrolet | R2500 | Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 - 1990 | Chevrolet | R2500 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | R30 | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | R30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | Chevrolet | R3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | R3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | Chevrolet | Suburban | Base | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | V10 | Custom Deluxe, Scottsdale, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | V10 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | V10 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 - 1990 | Chevrolet | V1500 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | V20 | Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | V20 Suburban | Custom Deluxe, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | V20 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 - 1990 | Chevrolet | V2500 Suburban | Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Chevrolet | V30 | Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Chevrolet | V30 | Cheyenne, Custom Deluxe, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | Chevrolet | V3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | Chevrolet | V3500 | Cheyenne, Scottsdale, Silverado | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | C15 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | C15 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | GMC | C15 | Base, Heavy Half, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | C15 | Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | GMC | C1500 | Base, Heavy Half, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | GMC | C1500 | Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | C1500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | C1500 | Sierra, Sierra SLE, Sierra SLX | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | C1500 Suburban | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | GMC | C15 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | C15 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | C25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | C25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | C25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | C2500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 - 1982 | GMC | C2500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | C2500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | C2500 | Sierra, Sierra SLE, Sierra SLX | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | C2500 Suburban | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1977 | GMC | C25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | C25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | C35 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 - 1977 | GMC | C35 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | C35 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | C3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 - 1982 | GMC | C3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1985 | GMC | C3500 | Base, High Sierra, Sierra Classic | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | GMC | C3500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1989 | GMC | C3500 | Sierra, Sierra SLE, Sierra SLX | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | GMC | C3500 | Sierra, Sierra SLE, Sierra SLX | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | Caballero | Base, Diablo, Laredo | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | Caballero | Base, Diablo, Laredo | 4.4L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | GMC | Caballero | Base, Diablo, Laredo | 4.4L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | GMC | Caballero | Amarillo, Base, Conquista, Diablo, Royal Knight | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1986 | GMC | Caballero | Amarillo, Base, Diablo | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | Caballero | Base, Diablo | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | G15 | Rally, Rally STX, Vandura | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | G15 | Rally, Rally STX, Vandura | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | G15 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | G1500 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 - 1982 | GMC | G1500 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | GMC | G1500 | Rally, Rally Custom, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1990 | GMC | G1500 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | GMC | G25 | Rally, Rally STX, Vandura | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | G25 | Rally, Rally STX, Vandura | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | GMC | G2500 | Rally, Rally STX, Vandura | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | GMC | G2500 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | GMC | G2500 | Rally, Rally Custom, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1990 | GMC | G2500 | Rally, Rally STX, Vandura | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | G35 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | G35 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | G35 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | GMC | G3500 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1988 | GMC | G3500 | Magnavan, Rally, Rally Camper Special, Rally Custom, Rally STX, Vandura, Vandura Special | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 | GMC | G3500 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | GMC | G3500 | Magnavan, Rally, Rally Camper Special, Rally STX, Vandura, Vandura Special | 4.3L V6, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 - 1982 | GMC | Jimmy | Base, High Sierra, Sierra Classic, Sierra Grande, Street Coupe | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1985 | GMC | Jimmy | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | GMC | Jimmy | Base, Sierra Classic, Silverado | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | Jimmy | Base, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | Jimmy | Base, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | K15 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | K15 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | GMC | K15 | Base, High Sierra, Indy Hauler, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | K15 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | GMC | K1500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | K1500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | K1500 | Sierra, Sierra SLE, Sierra SLX | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1984 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8, 6.2L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | GMC | K1500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | GMC | K15 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | K15 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | K25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | K25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | K25 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | GMC | K2500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | GMC | K2500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | K2500 | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | K2500 | Sierra, Sierra SLE, Sierra SLX | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | K25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | K25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | GMC | K25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | GMC | K25 Suburban | Base, High Sierra, Sierra Classic, Sierra Grande | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | GMC | K35 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | GMC | K3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | GMC | K3500 | Base, High Sierra, Sierra Classic, Sierra Grande | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | GMC | K3500 | Base, High Sierra, Sierra Classic | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 - 1990 | GMC | K3500 | Sierra, Sierra SLE, Sierra SLX | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | R1500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | GMC | R1500 Suburban | Base, SLE | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | R2500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1990 | GMC | R2500 Suburban | Base, SLE | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | R3500 | Base, High Sierra, Sierra Classic | 5.7L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | GMC | Sprint | Base, Classic, High Sierra, SP | 5.7L V8, 6.6L V8, 7.4L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | GMC | Sprint | Base, Classic, SP, Sierra Madre Del Sur | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | GMC | Sprint | Base, Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | V1500 | Base, High Sierra, Sierra Classic | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | V1500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | V2500 | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | GMC | V2500 Suburban | Base, High Sierra, Sierra Classic | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | 98 | Luxury, Regency | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | 98 | Luxury, Regency | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1980 | Oldsmobile | 98 | Luxury, Regency | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | 98 | Luxury, Regency | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1984 | Oldsmobile | 98 | Regency, Regency Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Custom Cruiser | Base, Panel | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Custom Cruiser | Base, Panel | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1979 | Oldsmobile | Custom Cruiser | Base | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Custom Cruiser | Base | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1990 | Oldsmobile | Custom Cruiser | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Cutlass | 442, Base, S | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Cutlass | Colonnade S, S, Vista Cruiser | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Oldsmobile | Cutlass | 442, Colonnade, Colonnade S, S, Vista Cruiser | 4.3L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Oldsmobile | Cutlass | Vista Cruiser | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Oldsmobile | Cutlass | Vista Cruiser, Vista Cruiser Brougham | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Cutlass | Base, Brougham, LS | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | Cutlass | Brougham, LS | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Oldsmobile | Cutlass Calais | Base | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 - 1980 | Oldsmobile | Cutlass Calais | Base | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 - 1982 | Oldsmobile | Cutlass Calais | Base | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 | Oldsmobile | Cutlass Calais | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Cutlass Cruiser | Base, Brougham | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | Cutlass Cruiser | Base, Brougham | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Oldsmobile | Cutlass Cruiser | Base | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Oldsmobile | Cutlass Cruiser | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Oldsmobile | Cutlass Salon | Base | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Oldsmobile | Cutlass Salon | Base | 4.3L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Oldsmobile | Cutlass Salon | 442, Base, Brougham | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Oldsmobile | Cutlass Salon | 442, Base, Brougham, Hurst | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Cutlass Salon | Base, Brougham | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1986 | Oldsmobile | Cutlass Salon | 442, Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Oldsmobile | Cutlass Salon | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Cutlass Supreme | Base, Cruiser, Hurst | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Cutlass Supreme | Base, Colonnade | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Oldsmobile | Cutlass Supreme | Base, Brougham, Colonnade | 4.3L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1980 | Oldsmobile | Cutlass Supreme | Base, Brougham | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | Cutlass Supreme | Base, Brougham, LS | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Oldsmobile | Cutlass Supreme | Base, Brougham | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Oldsmobile | Cutlass Supreme | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 - 1986 | Oldsmobile | Cutlass Supreme | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 | Oldsmobile | Cutlass Supreme | 442, Base, Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1988 | Oldsmobile | Cutlass Supreme | Classic, Classic Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Cutlass Tiara | Base | 4.3L V8, 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Delta 88 | Base, Royale | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Delta 88 | Base, Royale | 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Oldsmobile | Delta 88 | Base, Royale | 4.3L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Oldsmobile | Delta 88 | Base, Royale | 4.3L V8, 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Delta 88 | Base, Holiday, Royale, Royale Brougham | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | Delta 88 | Base, Holiday, Royale, Royale Brougham | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 | Oldsmobile | Delta 88 | Base, Royale, Royale Brougham | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Oldsmobile | Delta 88 | Base, Royale, Royale Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1985 | Oldsmobile | Delta 88 | Royale, Royale Brougham, Royale Brougham LS | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Omega | Base, Salon | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Oldsmobile | Omega | Base, Brougham, F85, SX | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Oldsmobile | Omega | Base, Brougham, Deluxe, F85, SX | 4.3L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Oldsmobile | Omega | Base, Brougham, Brougham LS, SX | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Oldsmobile | Omega | Base, Brougham, Brougham LS | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1979 | Oldsmobile | Starfire | Base, Firenza, GT, SX | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Oldsmobile | Toronado | Brougham, Custom | 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Oldsmobile | Toronado | Brougham, XS, XSR | 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Oldsmobile | Toronado | Brougham, XSR | 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Oldsmobile | Toronado | Brougham, XSR | 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Oldsmobile | Toronado | Brougham, XSC | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Oldsmobile | Toronado | Brougham, XSC | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1982 - 1984 | Oldsmobile | Toronado | Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1985 | Oldsmobile | Toronado | Brougham, Caliente | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Oldsmobile | Vista Cruiser | Base | 5.7L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Bonneville | Base | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | Bonneville | Base, Brougham | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Bonneville | Base, Brougham | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Pontiac | Bonneville | Base, Brougham, Safari | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Pontiac | Bonneville | Base, Brougham, Safari | 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | Bonneville | Base, Brougham, Safari | 4.3L V8, 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | Bonneville | Base, Brougham, Safari | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Pontiac | Bonneville | Base, Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1986 | Pontiac | Bonneville | Base, Brougham, LE | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Catalina | Base, Safari | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | Catalina | Base, Safari | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 - 1978 | Pontiac | Catalina | Base, Safari | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Pontiac | Catalina | Base, Safari | 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | Catalina | Base, Safari | 4.3L V8, 4.9L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | Catalina | Base, Safari | 4.3L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | Firebird | Base, Esprit, Formula, Trans Am | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1986 | Pontiac | Firebird | Base, S/E, Trans Am | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 - 1988 | Pontiac | Firebird | Base, Trans Am | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1989 - 1990 | Pontiac | Firebird | Base, Formula, Trans Am, Trans Am GTA | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Grand Am | Base | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1980 | Pontiac | Grand Am | Base | 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Grand LeMans | Base, Safari | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | Grand LeMans | Base, LE | 4.3L V8, 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Grand LeMans | Base, LE, Safari | 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Pontiac | Grand LeMans | Base, SA, Safari | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Pontiac | Grand LeMans | Base, Safari | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | Grand LeMans | Base, Safari | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | Grand LeMans | Base, Safari | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Grand Prix | LJ, SJ | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | Grand Prix | Base, SJ | 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Grand Prix | Base, LJ, SJ | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Pontiac | Grand Prix | Base, LJ, SJ | 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | Grand Prix | Base, LJ, SJ | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | Grand Prix | Base, Brougham, LJ | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 | Pontiac | Grand Prix | Base, Brougham, LJ | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1984 - 1987 | Pontiac | Grand Prix | Base, Brougham, LE | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 - 1976 | Pontiac | Grand Safari | Base | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Grand Safari | Base | 4.9L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Pontiac | Grand Safari | Base | 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Grandville | Brougham | 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | LeMans | Base, Safari, Sport | 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | LeMans | Base, Sport, Sport Coupe | 4.3L V8, 5.7L V8, 6.6L V8, 7.5L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | LeMans | Base, Safari, Sport, Sport Coupe | 4.9L V8, 5.0L V8, 5.7L V8, 6.6L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 | Pontiac | LeMans | Base, Safari | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1979 | Pontiac | LeMans | Base, Safari | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1980 | Pontiac | LeMans | Base, Safari | 4.3L V8, 4.9L V8, 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1981 | Pontiac | LeMans | Base, Safari | 4.3L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1983 - 1986 | Pontiac | Parisienne | Base, Brougham | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Phoenix | Base | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Pontiac | Phoenix | Base, LJ, SJ | 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1987 - 1989 | Pontiac | Safari | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1978 - 1979 | Pontiac | Sunbird | Base | 5.0L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1975 | Pontiac | Ventura | Base, Custom, S, SJ | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1976 | Pontiac | Ventura | Base, SJ | 4.3L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |
| 1977 | Pontiac | Ventura | Base, SJ | 4.9L V8, 5.0L V8, 5.7L V8 | ADJUSTABLE VACUUM ADVANCE; GM/HEI DISTRIBUTOR W/VACUUM ADVANCE |