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Archive Home > 2012 > April > 08 > Elevation can allow for lower octane

Elevation can allow for lower octane

By Paul Brand / The Bulletin
April 8, 2012

Q: The owner’s manual for my new vehicle recommends gasoline with 87 octane or greater. On a recent trip in Montana, I noticed their regular is 85.5 octane and their next level up is 88 octane with 10 percent ethanol. I used a half-tank of 85.5 and noticed no difference, but after reading the....

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