Thread: 86 octane
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Old Mon, June 6th, 2011, 09:32 AM
miloman miloman is offline
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Join Date: Jun 2011
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Question 86 octane
I am about to order some custom tunes and commonly run 86 octane. I live at 6700 ft elevation. Should I purchace 87 tunes or 85? Which would work better for that gas and elevation? Thanks Milo