COMP Cams Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Cadillac 425, 472, 500
Part # 94-602-5SKU COM94-602-5
Set your vehicle above for a fit verdict. 21 vehicles listed below.
| Brand | COMP Cams |
|---|---|
| Part type | Engine Camshaft |
| Advertised Exhaust Duration | 312 deg |
| Advertised Intake Duration | 294 deg |
| Amazon ASIN | B005H89THK |
| 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 | CL94-602-5 |
| Cam Type | Hydraulic Flat Tappet |
| Camshaft Gear Attachment | 1-Bolt |
| Camshaft Material | Cast Iron |
| Camshaft Series | Thumpr |
| Engine Family | Cadillac 425, 472, 500 c.i. (1963-1979) |
| Exhaust Duration at .050 inch Lift | 257 deg |
| Exhaust Valve Lift | 0.512 in |
| Grind Number | 295TH7 |
| Intake Duration at .050 Inch Lift | 242 deg |
| Intake Valve Lift | 0.528 in |
| Lifter Type | Hydraulic Flat Tappet |
| Lifters Included | No |
| Lobe Separation | 107 deg |
| Usage | Street/Strip |
| Valve Springs Required | Yes |
| UPC / GTIN | 00036584213352 |
Description
Big Mutha' Thumpr 242/257 Hydraulic Flat Cam for Cadillac 425, 472, 500. Street/strip, needs 9.5:1 compression, 2800+ stall, intake, Gears and headers, very rough idle.
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| Year | Make | Model | Submodel | Engine |
|---|---|---|---|---|
| 1968 - 1974 | Cadillac | Calais | Base | 7.7L 472 V8 |
| 1975 - 1976 | Cadillac | Calais | Base | 8.2L 500 V8 |
| 1968 - 1974 | Cadillac | Commercial Chassis | Base | 7.7L 472 V8 |
| 1975 - 1976 | Cadillac | Commercial Chassis | Base | 8.2L 500 V8 |
| 1977 - 1979 | Cadillac | Commercial Chassis | Base | 7.0L 425 V8 |
| 1968 - 1974 | Cadillac | DeVille | Base | 7.7L 472 V8 |
| 1975 - 1976 | Cadillac | DeVille | Base, Cabriolet, d'Elegance | 8.2L 500 V8 |
| 1977 | Cadillac | DeVille | Base, d'Elegance | 7.0L 425 V8 |
| 1978 - 1979 | Cadillac | DeVille | Base, Cabriolet, Phaeton, d'Elegance | 7.0L 425 V8 |
| 1968 - 1969 | Cadillac | Eldorado | Base | 7.7L 472 V8 |
| 1970 - 1975 | Cadillac | Eldorado | Base | 8.2L 500 V8 |
| 1976 | Cadillac | Eldorado | Base, Biarritz, Bicentenial Edition, Cabriolet | 8.2L 500 V8 |
| 1977 | Cadillac | Eldorado | Base, Biarritz | 7.0L 425 V8 |
| 1978 | Cadillac | Eldorado | Base, Biarritz, Cabriolet | 7.0L 425 V8 |
| 1968 - 1970 | Cadillac | Fleetwood | 60 Special, 75, Base, Brougham | 7.7L 472 V8 |
| 1971 - 1972 | Cadillac | Fleetwood | 60 Special, 75 | 7.7L 472 V8 |
| 1973 - 1974 | Cadillac | Fleetwood | 60 Special, 60 Special Brougham, 75, Base | 7.7L 472 V8 |
| 1975 | Cadillac | Fleetwood | 60 Special Brougham, 75 | 8.2L 500 V8 |
| 1976 | Cadillac | Fleetwood | 60 Special Brougham, 75, Brougham, Brougham Talisman, Brougham d'Elegance | 8.2L 500 V8 |
| 1977 | Cadillac | Fleetwood | 75, 75 Formal, Brougham, Formal | 7.0L 425 V8 |
| 1978 - 1979 | Cadillac | Fleetwood | Base, Brougham, Brougham d'Elegance, Formal | 7.0L 425 V8 |