Quote:
Originally Posted by nerwean
if using hi cams 280 degree and lift 11mm in 4G93P stock head, is it safe for piston head? can be hit by valve or not? 
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what is the standard cam lift for 4g93p cams??.. if below 11mm, it is adviseable to use stiffer valve spring... and make sure ur cam degreeing is set nicely....