Thread: chevy 350 old head

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I put a set of heads with 202 valvs and large ports i think i need dome piston.how can check compression ratio it acts like its low compression any help would be great

large cc combustion chamber? valve condition? bottom end condition?

Originally posted by hotrodscoot
I put a set of heads with 202 valvs and large ports i think i need dome piston.how can check compression ratio it acts like its low compression any help would be great

well it has large combustion chamber its been redone when i said old head i ment old style head has been redone mild cam new carb intake rebult motor but it runs like it has low compression, and i seen the new style heads and they have small combustion chambers