what compression with 0.015" milled 5.3 head and stock GM head gasket?
03-30-2006, 03:07 PM
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my 5.3s are .030 cut so do i have 55 cc,i thought i had around 57 cc ?i was thinking i only had 11.7 cr on the stock short block with mls gaskets. but if they are 55cc the old 402 might have enough cr after all with a 12 cc dish.
