Classic Big Mutha' Thumpr 243/257 Solid Flat Cam for Flathead Ford 239/255

Big Mutha' Thumpr™ −. Street/strip, engine modification mandatory, aftermarket heads, very rough idle.

SKU
41-602-7
$401.98
 
Engine Family: Ford Flathead (2 Gear) 239, 255 c.i. 8 Cylinder (1949-1953)
RPM Operating Range: 2,200-4,200
Grind Number: 295TS7
Cam Type: Solid Flat Tappet
Lifter Style: Solid Flat Tappet
Camshaft Series: Classic Thumpr
Usage: Street Performance
Valve Springs Required: Yes
Camshaft Material: Cast Iron
California Proposition 65: WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration: 283
Advertised Exhaust Duration: 315
Intake Duration at .050 Inch Lift: 243
Exhaust Duration at .050 Inch Lift: 257
Intake Valve Lift: 0.382
Exhaust Valve Lift: 0.378
Lobe Lift Intake: 0.382
Lobe Lift Exhaust: 0.378
Lobe Separation: 107
Intake Centerline: 102
Assembly Lubricant Included: Yes
Valve Timing @ 0.02 Lift:
Exhaust Close ATDC: 35
Exhaust Open BBDC: 72
spec-card-valve-timing
Intake Open BTDC: 31
Intake Close ABDC: 56
Component Part Number
Break-In Lube: 159