Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: quench/heat expansion...
I like to see about .035 -.040 quench, I think a GM .017 gasket would be the min. You are close on 7cc on those pistons, Maybe even 5 or 6 cc. Those 58cc chamber heads are gonna bump the compression up pretty high, about 10.5? Depending on your usage, I would lean towards the .028 gasket.
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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