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Classic Mutha' Thumpr 234/249 Hydraulic Flat Cam for Chevrolet 348-409
Classic Mutha' Thumpr 234/249 Hydraulic Flat Cam for Chevrolet 348-409. High performance street/strip, needs 9:1 compression, 2500+ stall, intake, gears and headers, rough idle.
More Information
UPC
036584213222
Manufacturer
COMP Cams®
Emissions Code
Engine Family
Chevrolet 348-409 c.i. 8 Cylinder (1958-1965)
RPM Operating Range
2,000-5,500
Cam Type
Hydraulic Flat Tappet
Camshaft Series
Classic Thumpr
Camshaft Gear Attachment
3-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
0.525
Exhaust Valve Lift
0.509
Lobe Lift Intake
0.3
Lobe Lift Exhaust
0.291
Lobe Separation
107
Intake Centerline
102
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
Make
Chevrolet