Just moved to Kansas and they only have 91 octane here!!!
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I was under the impression that my 10:1 compression could use no lower than 92. So I have been using store bought octane booster, and knowing that that is not going to cut it I am, for price and usefulness, I need other ideas. Atm ,I am planning on adding a gallon of tolulene or xylene. What do you guys think ?
Last edited by MeentSS02; 01-26-2012 at 01:12 PM.
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Depending on the altitude where you live octane ratings change. Because the air density does not promote burn comparable to lower elevations fuel stations can not meet testing levels.
Easy way to tell is if your gas station only carries 86 octane instead of 87.
Long story short 91 is 93
Easy way to tell is if your gas station only carries 86 octane instead of 87.
Long story short 91 is 93
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Depending on the altitude where you live octane ratings change. Because the air density does not promote burn comparable to lower elevations fuel stations can not meet testing levels.
Easy way to tell is if your gas station only carries 86 octane instead of 87.
Long story short 91 is 93
Easy way to tell is if your gas station only carries 86 octane instead of 87.
Long story short 91 is 93
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Ya. 91 is fine. I'm running 10.6:1 with only 91. 40* and no knock whatsoever. But in my area, the coop stations have the best rated fuel. A lot cleaner, less ethanol, more gasoline.