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I had about .003 taken off the head and about the same for the block. I used a mitsu metal head gasket which is about .057 if I'm not mistaking. The 8.5 comp pistons that I'm running balance out the comp ratio and give me a compression reading of about 165ish for all four pistons. I figure I can remove about .018thou off the head to get 180psi readings. What do you guys think??
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