UPDATE: We have it at the "4A" keyway, and just now checked it, it comes in right at 103°. I checked the relation of the Intake and Exhaust tappet lift at TDC, and the Intake rise is at .093", the exhaust rise is at .0612", so that makes the Intake open .0318" more than the exhaust at TDC. I think we may leave it at 103, what do yall think? What would you do?
__________________
1978 Trans Am
Pump Gas 461 Stroker
|