Thread: 11 to 1 - too much on CA 91 pump gas?
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Old 10-28-2010, 03:39 PM
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I think it's too much for 91 octane. You may have to shut it off in gear, but you may be able to get by, if you're lucky. If possible, I would stay at around 10.25:1 +/-.

You could also mix octane booster or find a gas station that sells street legal Sunoco 100/110 octane unleaded from the pump.
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