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Ok, but the bottom line is this is a half ass budget build. I wasn't aware that there were such crappy piston choices for 383's and that 906's were essentially useless.

My setup, with the parts I listed, with a block that's been zero decked, KB flat tops (with the 5cc or whatever size valve reliefs), closed chamber 84 cc Edelbrock heads and a .039ish head gasket sounds like it should make decent compression and quench. Does that sound about right? I'm just hoping for a decent street motor.



What is your definition of DECENT COMPRESSION ?



I think you know more about it than I do, but I was thinking 9.5-1?



The specs you give above ASSuMEing a 4.280 bore , 6cc valve canyon and a .041 head gasket , not sure what gasket is .039 , gets you 8.85 , .039 gasket is 8.88, 5cc/.041 - 8.92, 5cc/.039 - 8.96, you need to cut the heads to 76cc to get your 9.5, the 162 just plain sucks for the intended application.