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10,000 mile critique of the 2008 H2
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06-28-2008, 01:24 PM
HummerMann
Hummer Expert
Join Date: Jun 2008
Location: New York
Posts: 524
Re: 10,000 mile critique of the 2008 H2
I think they went to premium gas when they put the higher horsepower engine in the '08 models. My '06 H2 seems to run fine on regular 87 octane.
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