How much head do you need?
Cylinder head flow for the crane 693901 camshaft?
1.78 & 1.5 valves good enough?
Goal is long distance driving
800-4800 operating rpm, 3800 pound car, 2.76 gears, manual trans
Basic Operating RPM Range:1,500-4,500
Intake Duration at 050 inch Lift:204
Exhaust Duration at 050 inch Lift:216
Duration at 050 inch Lift:204 int./216 exh.
Advertised Intake Duration:260
Advertised Exhaust Duration:272
Advertised Duration:260 int./272 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:0.427 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:0.454 in.
Valve Lift with Factory Rocker Arm Ratio:0.427 int./0.454 exh.
Lobe Separation (degrees):112