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Originally Posted by jmsspratlin
Just curious as to what type of fuel you guys are running in your Hummers? By type, I am referring to 87,89, or 93 octane. I know alot of people swear that 93 is the only thing to run in such a lux vehicle, while others see no problem with 87 and an occassional dose octane injector cleaner. Just wondering the census on here. Thanks....Jamie
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I live in WY and here regular is 85 octane and thats what I use. I think its because we are 6000 feet above sea level.