Not Ranked
Fel pro (and victor) head gaskets are rated at .041-042 compressed 4.400 bore for an efective cc of ~10.2
My block is zero decked and the quench is high, which may be one thing that is letting me get away with it as well as I am.
Colder plugs helped too (124 autolites) and I still have the option of going to the 32 racing plugs (for about 3 times the cost)
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