Thread: 11 to 1 - too much on CA 91 pump gas?
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Old 10-29-2010, 09:51 AM
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Bernica Bernica is offline
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Location: SoCal, CA
Cobra Make, Engine: CSX #4xxx with CSX 482; David Kee Toploader
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I am running just under 11:1 comp in a Shelby aluminum block with Shelby aluminum heads and Stage II porting, 482ci. I'm here in CA, and the 76 station near my house still sells 100 octane pump race gas (unleaded). It's not cheap. Currently around $8.75/gal. But once I filled my Cobra with that stuff, all was good. Running around 35 deg timing. No knocks, no pings. Just an empty wallet after a 42 gal fillup!!
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