Engine Family Ford 221, 260, 289, 302 c.i. 8 Cylinder (1963-1995)
RPM Operating Range 2,200-6,200
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 295
Advertised Exhaust Duration 312
Intake Duration at .050 Inch Lift 243
Exhaust Duration at .050 Inch Lift 257
Lobe Lift Intake 0.32
Lobe Lift Exhaust 0.311
Lobe Separation 107
Intake Centerline 102
Valve Timing Lift 0.006
Exhaust Close ATDC 49
Intake Open BTDC 43
Exhaust Open BBDC 84
Intake Close ABDC 71
Lifter Style Hydraulic Flat Tappet