Thread: Pump Gas Compression Ratio and E-heads
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Old 03-08-2025, 02:26 PM
JEC3039 JEC3039 is offline
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Join Date: Jan 2016
Location: South Lyon, MI
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I'm with Stan -

Assuming zero-deck, a Fel-Pro 0.039 gasket at 9.4cc and a top ring land of 1.14cc:

for the 82/22 combo I get 9.25

for the 72/18 combo I get 10.40

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