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Old 01-28-2012, 09:45 AM
olddog olddog is offline
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Join Date: May 2006
Location: St. Louisville, Oh
Cobra Make, Engine: A&C 67 427 cobra SB
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I think 11:1 with cast iron heads is too much for pump gas. You should check with some good builders who know FE engines, if you want to run pump gas.
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