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What is normal cylinder pressure for a small block Chevy?

Anonymous

∙ 14y ago

Updated: 9/14/2023

Anywhere from 80, up to 180, depending on ther compression ration, effective compression ratio, and how many miles on the motor. Lower than about 80, is getting low. Also, you are looking for a cylinder that is really low, compared to the rest. 30 lbs., or more, lower. This would indicate a dead cylinder.

Wiki User

∙ 14y ago

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