So a few weeks ago on the show a caller from Denver asked about using a lower fuel octane at altitude and the answer was there is no harm since the compression in the chamber is lower with the thinner air you can use a lower octane. So that got me to thinking if using a higher octane fuel than reco…

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Fuel octane at high altitude

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TwinTurbo June 23, 2009, 7:45pm 5

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