Here are some theoretical cam examples for two different target velocities.
463 Pontiac
5500 RPM
1.65 Rocker.
Hyd Roller specs.
300 FPS
-----------
295 @ .006
242.5 @ .050
167.5 @ .200
.659 valve lift.
310 FPS
-----------
291 @ .006
239 @ .050
164 @ .200
.651 valve lift.
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