Originally Posted by na200whp
when you mill the head it causes your cam timming to retard . im guessing that is what is saving your valves. if you tune your car and advance the cams it will become an issue.
+1 million the depth of the pocket is fine, it is the diameter. LS intake valves are 2mm smaller than vtec intake valves. its like running 2mm oversized valves in a stock LS. it dosn't work very well. b16a pistons will drop rite in and bump the comp. a bit. or gsr pistons if you want slightly lower compression.