chevy 350 old head

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?

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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

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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