i am curious about what you guys are getting for gas mileage. what type of gas do you use i.e. 87, 89, 93..... any fuel additives like octane boosters and type of hummer i.e. h1, h2 , h2 sut, h3 and the year of the truck
currently i am at.....
06 h2 sut with 87 octane - 11.8 mpg
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