Milling

valve to piston contact is the main problem. it happens quicker with the hemi vs the non-hemi.
Just fyi I took the non hemi down to the first fin, though I don't know the exact amount.
 
When talking compression ill take a non hemi any day! Ill take .115 off an rtc and not think twice. Just fill the lower fin with jb weld first. And pump gas wont be ur friend
 
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