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Project Addicted
Join Date: Jul 2012
Location: Eastern Shore. MD
Posts: 919
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I would like to ask an Octane question and not hijack the thread.
We are building a 3.4 based on a 3.2. We have JE 10.5:1 pistons, twin plug heads and 20/21 cams to install. This will be a street car DD and would like know what static compression ratio would have to be to use 89 Octane fuel is possible. With current heads chamber at 92.5cc and a deck height of 1mm this calculates to 10.1:1.
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Jon
1966 912
1976 911 3.4 Backdate Project
1986 944
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