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Old 01-30-2013, 03:51 PM
Joel78Vette Joel78Vette is offline
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Originally Posted by bygddy View Post
0.025 in the hole, flat tops 4vr we will say 7cc, 0.015 felpro head gasket, PN#1094, your 63cc heads (check and be sure, because they won't actually be 63) but assuming......this gives you 10.3:1 and 0.040 quench.....
You mentioned 0.016 in the hole at the top, then I believe said 0.025 further down? If the block hasn't been decked this is more likely...

I cc'd a chamber on my 2nd set of 062 vortec heads and got 62cc's. Also I am in the hole .016". The .025" is the piston slap or piston to wall distance. I know that has little effect on the overall compression of the motor but just wanted to input all the data when asked me for it. Also my pistons are H345ncp .030" with 4 valve relief (about 6cc's).
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