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Mutha' Thumpr 234/249 Hydraulic Flat Cam for Oldsmobile 260-455

$314.95
Mutha' Thumpr™ 234/249 Hydraulic Flat Cam for Oldsmobile 260-455. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
In stock
SKU
42-601-5
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More Information
UPC 036584213192
Manufacturer COMP Cams®
Emissions Code
Engine Family Oldsmobile 260-455 c.i. 8 Cylinder (1967-1990)
RPM Operating Range 2,200-6,100
Cam Type Hydraulic Flat Tappet
Camshaft Series Thumpr
Camshaft Gear Attachment 1-Bolt
Usage Street/Strip
California Proposition 65 WARNING: Cancer and Reproductive Harm P65Warnings.ca.gov
Advertised Intake Duration 286
Advertised Exhaust Duration 304
Intake Duration at .050 Inch Lift 234
Exhaust Duration at .050 Inch Lift 249
Intake Valve Lift 0.5
Exhaust Valve Lift 0.486
Lobe Lift Intake 0.313
Lobe Lift Exhaust 0.304
Lobe Separation 107
Intake Centerline 0.006
Valve Timing Lift 0.006
Exhaust Close ATDC 45
Intake Open BTDC 39
Exhaust Open BBDC 80
Intake Close ABDC 67
Lifter Style Hydraulic Flat Tappet
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