looks like im pulling the motor apart already

ou812 said
With -17.5cc dish pistons, zero deck, 62cc chambers, and typical .040 gasket his compression is 10.5:1 which is more than enough to detonate with ANY camshaft if he got a bad batch of pump gas or old gas...
And that's if his timing was perfect. Guys don't realize with iron heads once you go over 10:1 even with good quench you have the potential for detonation using PUMP gas. And where the cam was installed has an impact on that as well.

You say his machinist told him it's zero decked...CHECK it yourself!!

I'm just sayin.....

Sounds good Brian, You are the man, I was just going off the build that MRL built for me with a 360 and figured it would be less effect for him because its a 410. But Im sure he will go through it correctly as the machinist also put the bottom end together for him. He just NOW wants to go to a .040 gasket because the ones he blew out were .053