Indmar says 89, so that's what I run.
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Im lost without the PW thread!!!!
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Originally posted by thtrog View PostIndmar says 89, so that's what I run."Failing to prepare is preparing to fail" John Wooden- Rest in Peace
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Originally posted by Iwndr View PostMT is the same, I don't think elevation is the reason though???
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Originally posted by Timmy! View PostThat is the reason. Since we have less oxygen, less chance of knock/ignition/detonation. Lower octane = more energy content per gallon, higher octane = less energy content but allows you to run more timing on the engine due to it not detonating as early which means your engine has the potential to make more horsepower.Originally posted by Timmy! View PostOur altitude allows me to run ~12:1 compression on 91 octane gas. People with turbo's can also run higher compression.Originally posted by Timmy! View PostI feel like we've had this discussion before..."Failing to prepare is preparing to fail" John Wooden- Rest in Peace
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