Valve Installation Question

word of caution on the "rule of 9"
while this works well on a stock camshaft, it may not be so good on something wilder.
duration and LSA can move the lobes far enough to impact the clearances.

J
 
johnneilson -- Ya I think I am close on the pressure & installed height. The clearance at full open at .050" seems like a lot as I used .015" - .020" on my race motors. Just saying, you could be right.
 
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