Flat Tappet Hydraulic / Three Bolt Timing Gear. Light to medium towing or RV, street 4x4, dual exhaust, 2 bbl or 4 bbl carb. 150psi suggested cylinder pressure, stock idle. Lots of low end torque for heavy vehicles or medium towing.
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Intake Valve Lift 1.5
Exhaust Valve Lift 1.5 |
.461"
.489" |
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Intake Valve Lift 1.6
Exhaust Valve Lift 1.6 |
.491"
.522" |
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Intake Duration at .050"
Exhaust Duration at .050" |
210°
219° |
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| Lobe Separation Angle |
112º |
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Intake Opening at .050"
Exhaust Opening at .050" |
-4° BTC
44.5° BBC |
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Intake Closing at .050"
Exhaust Closing at .050" |
34° ABC
-5.5° ATC |
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| Min. Suggested Cylinder PSI |
150 |
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| Sweet Spot RPM |
IDLE - 4600 |
Power Ranges: These are the "sweet spot" in the power range. Generally we suggest shifting at 300-500 RPM above the "sweet spot" for the best ET’s.
Spring Warning: Our camshafts are not comparable to other manufacturers and require special valve spring pressures to operate and live satisfactorily. ONLY USE springs meeting the specifications listed here or on the provided cam cards. Valve spring pressures and installed heights are supplied with each camshaft.
Caution: Minimum piston-to-valve clearance is .060" intake and .100" exhaust. If your clearance is not adequate, we have tooling to cut deeper valve reliefs. Check our tooling section or call us. Maximum lift with stock guide height is 0.450", more lift requires shortening the valve guides.
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