Thanks for the calculator! If I remember correctly my machinist said he is shooting for .039/.040 quench, I had a concern that the design of the piston top would hinder flame travel and I would not get an efficent burn and negate the effort he is putting towards proper quench, don't get me wrong, he deffinitly knows what he's doing, I don't, lol. its the weekend though and he is closed. so I figured I'd to some research here on Moparts to learn.

~Thanks