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COMP Cams Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for 53 vehicles
Part # 33-602-5
Description
Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Ford 352-428. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.
Specifications
| Advertised Exhaust Duration | 312 deg |
|---|---|
| Advertised Intake Duration | 294 deg |
| Amazon ASIN | B005H89WL8 |
| Assembly Lubricant Included | Yes |
| Basic Operating RPM Range | 2,500-6,400 RPM |
| C.A.R.B. Exempt for California Certified Vehicles Manufactured Before 1965? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Federally Certified Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for Foreign Vehicles Manufactured Before 1967? | Yes, but must meet tailpipe emission standards for year of vehicle. |
| C.A.R.B. Exempt for On-Road Vehicles? | No |
| C.A.R.B. Exempt for Racing and Off-Road Only Vehicles? | Yes, but must be a race/competition only vehicle. |
| Cam and Lifter Kit Upgrade | CL33-602-5 |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Thumpr |
| Engine Family | Ford 352-428 c.i. 8 Cylinder (1963-1977) |
| Exhaust Duration at .050 inch Lift | 257 deg |
| Exhaust Valve Lift | 0.515 in |
| Grind Number | 295TH7 |
| Intake Duration at .050 Inch Lift | 242 deg |
| Intake Valve Lift | 0.531 in |
| K-Kit Upgrade | K33-602-5 |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 107 deg |
| Usage | Street/Strip |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584213017 |
| Year | Make | Model | Engine |
|---|---|---|---|
| 1966 - 1973 | AC | Shelby Cobra | 7.0L V8 |
| 1960 | Edsel | Ranger | 5.8L V8 |
| 1960 | Edsel | Villager | 5.8L V8 |
| 1963 | Ford | 300 | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1958 - 1959 | Ford | Club | 5.8L V8 |
| 1958 - 1960 | Ford | Country Sedan | 5.8L V8 |
| 1961 | Ford | Country Sedan | 5.8L V8, 6.4L V8 |
| 1962 | Ford | Country Sedan | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Ford | Country Sedan | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1967 | Ford | Country Sedan | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | Country Sedan | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Country Sedan | 6.4L V8 |
| 1958 - 1960 | Ford | Country Squire | 5.8L V8 |
| 1961 | Ford | Country Squire | 5.8L V8, 6.4L V8 |
| 1962 | Ford | Country Squire | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Ford | Country Squire | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1967 | Ford | Country Squire | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | Country Squire | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Country Squire | 6.4L V8 |
| 1958 - 1960 | Ford | Courier Sedan Delivery | 5.8L V8 |
| 1964 - 1967 | Ford | Custom | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | Custom | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Custom | 6.4L V8 |
| 1958 - 1960 | Ford | Custom 300 | 5.8L V8 |
| 1968 - 1970 | Ford | Custom 500 | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Custom 500 | 6.4L V8 |
| 1958 | Ford | Del Rio Wagon | 5.8L V8 |
| 1958 - 1959 | Ford | F-100 | 5.8L V8 |
| 1965 - 1967 | Ford | F-100 | 5.8L V8 |
| 1968 - 1976 | Ford | F-100 | 5.9L V8, 6.4L V8 |
| 1975 - 1976 | Ford | F-150 | 5.9L V8, 6.4L V8 |
| 1958 - 1959 | Ford | F-250 | 5.8L V8 |
| 1965 - 1967 | Ford | F-250 | 5.8L V8 |
| 1968 - 1976 | Ford | F-250 | 5.9L V8, 6.4L V8 |
| 1958 - 1959 | Ford | F-350 | 5.8L V8 |
| 1964 | Ford | F-350 | 5.9L V8 |
| 1965 - 1966 | Ford | F-350 | 5.8L V8, 5.9L V8 |
| 1967 | Ford | F-350 | 5.8L V8 |
| 1968 - 1976 | Ford | F-350 | 5.9L V8, 6.4L V8 |
| 1975 - 1977 | Ford | F-500 | 5.9L V8, 6.4L V8 |
| 1958 - 1960 | Ford | Fairlane | 5.8L V8 |
| 1961 - 1963 | Ford | Fairlane | 5.8L V8, 6.4L V8 |
| 1964 - 1966 | Ford | Fairlane | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1967 - 1970 | Ford | Fairlane | 6.4L V8, 7.0L V8 |
| 1959 - 1960 | Ford | Galaxie | 5.8L V8 |
| 1961 | Ford | Galaxie | 5.8L V8, 6.4L V8 |
| 1962 | Ford | Galaxie | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Ford | Galaxie | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1967 | Ford | Galaxie | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1962 | Ford | Galaxie 500 | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Ford | Galaxie 500 | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 | Ford | Galaxie 500 | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | Galaxie 500 | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Galaxie 500 | 6.4L V8 |
| 1964 - 1969 | Ford | GT40 | 7.0L V8 |
| 1965 - 1967 | Ford | LTD | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | LTD | 6.4L V8, 7.0L V8 |
| 1971 | Ford | LTD | 6.4L V8 |
| 1971 - 1973 | Ford | M-400 | 5.9L V8, 6.4L V8 |
| 1974 | Ford | M-450 | 5.9L V8 |
| 1967 - 1969 | Ford | Mustang | 6.4L V8, 7.0L V8 |
| 1970 | Ford | Mustang | 7.0L V8 |
| 1965 - 1967 | Ford | P-350 | 5.8L V8 |
| 1968 - 1974 | Ford | P-350 | 5.9L V8, 6.4L V8 |
| 1958 - 1959 | Ford | Ranchero | 5.8L V8 |
| 1966 | Ford | Ranchero | 5.8L V8 |
| 1967 | Ford | Ranchero | 5.8L V8, 6.4L V8 |
| 1968 - 1969 | Ford | Ranchero | 6.4L V8, 7.0L V8 |
| 1958 - 1960 | Ford | Ranch Wagon | 5.8L V8 |
| 1961 | Ford | Ranch Wagon | 5.8L V8, 6.4L V8 |
| 1962 | Ford | Ranch Wagon | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Ford | Ranch Wagon | 5.8L V8, 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1967 | Ford | Ranch Wagon | 5.8L V8, 6.4L V8, 7.0L V8 |
| 1968 - 1970 | Ford | Ranch Wagon | 6.4L V8, 7.0L V8 |
| 1971 | Ford | Ranch Wagon | 6.4L V8 |
| 1958 - 1959 | Ford | Skyliner | 5.8L V8 |
| 1960 | Ford | Starliner | 5.8L V8 |
| 1958 - 1960 | Ford | Sunliner | 5.8L V8 |
| 1958 - 1960 | Ford | Thunderbird | 5.8L V8 |
| 1961 - 1962 | Ford | Thunderbird | 6.4L V8 |
| 1963 | Ford | Thunderbird | 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1967 | Ford | Thunderbird | 6.4L V8, 7.0L V8 |
| 1968 | Ford | Thunderbird | 6.4L V8 |
| 1969 | Ford | Thunderbird | 7.0L V8 |
| 1968 - 1970 | Ford | Torino | 6.4L V8, 7.0L V8 |
| 1958 - 1960 | Ford | Victoria | 5.8L V8 |
| 1967 | Mercury | Brougham | 6.4L V8, 7.0L V8 |
| 1964 - 1965 | Mercury | Caliente | 7.0L V8 |
| 1966 - 1967 | Mercury | Caliente | 6.4L V8, 7.0L V8 |
| 1966 - 1967 | Mercury | Capri | 6.4L V8, 7.0L V8 |
| 1961 | Mercury | Colony Park | 5.8L V8, 6.4L V8 |
| 1962 | Mercury | Colony Park | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Mercury | Colony Park | 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1970 | Mercury | Colony Park | 6.4L V8, 7.0L V8 |
| 1971 | Mercury | Colony Park | 6.4L V8 |
| 1964 - 1965 | Mercury | Comet | 7.0L V8 |
| 1966 - 1969 | Mercury | Comet | 6.4L V8, 7.0L V8 |
| 1961 | Mercury | Commuter | 5.8L V8, 6.4L V8 |
| 1962 | Mercury | Commuter | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Mercury | Commuter | 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1968 | Mercury | Commuter | 6.4L V8, 7.0L V8 |
| 1967 | Mercury | Cougar | 6.4L V8 |
| 1968 - 1970 | Mercury | Cougar | 6.4L V8, 7.0L V8 |
| 1963 | Mercury | Country Cruiser | 6.4L V8 |
| 1964 - 1965 | Mercury | Cyclone | 7.0L V8 |
| 1966 - 1969 | Mercury | Cyclone | 6.4L V8, 7.0L V8 |
| 1970 | Mercury | Cyclone | 6.4L V8 |
| 1963 | Mercury | Marauder | 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1966 | Mercury | Marauder | 6.4L V8, 7.0L V8 |
| 1969 - 1970 | Mercury | Marauder | 6.4L V8, 7.0L V8 |
| 1967 - 1970 | Mercury | Marquis | 6.4L V8, 7.0L V8 |
| 1961 - 1962 | Mercury | Meteor | 5.8L V8, 6.4L V8 |
| 1963 | Mercury | Meteor | 6.4L V8 |
| 1964 - 1968 | Mercury | Montclair | 6.4L V8, 7.0L V8 |
| 1968 - 1969 | Mercury | Montego | 6.4L V8, 7.0L V8 |
| 1961 | Mercury | Monterey | 5.8L V8, 6.4L V8 |
| 1962 | Mercury | Monterey | 5.8L V8, 6.4L V8, 6.6L V8 |
| 1963 | Mercury | Monterey | 6.4L V8, 6.6L V8, 7.0L V8 |
| 1964 - 1970 | Mercury | Monterey | 6.4L V8, 7.0L V8 |
| 1964 - 1968 | Mercury | Park Lane | 6.4L V8, 7.0L V8 |
| 1964 - 1965 | Mercury | Villager | 7.0L V8 |
| 1966 - 1967 | Mercury | Villager | 6.4L V8, 7.0L V8 |
| 1966 - 1967 | Mercury | Voyager | 6.4L V8, 7.0L V8 |
| 1964 - 1968 | Shelby | Cobra | 7.0L V8 |