ok, im doin a rebuild and need help on figuring my cr! i have a 4.04 bore, 58cc heads, 3.75 stroke (385 ci) and flat top pistons, no valve release, and my piston at tdc is .200 in the hole! so if i could figure out how many cc's .200" with a 4.04 bore is i could use that figure as my valve relief and figure my cr with a certain head gasket thickness. does this make sense? lol!