Re: gas mph 05 vs 08
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Originally Posted by HummerJim
I pulled the owners manual out too, and 91 octane is "the recommended fuel" for the '08 H2. I've run regular twice and noted that it downshifts more on hills and doesn't idle as smoothly.
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Now that you say that, mine doesnt have a rough idle anymore now that I use 91 fuel. It idled like a high lift cam was in it when I used regular fuel.
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2009 H2 Silver Ice LE
2008 H2 Lux Series, Slate Blue, everything but the air suspension - sold
2006 H2 Lux Series, Uplevel Chrome, DVD's, Slate Blue, Sun Roof - sold
"If Life Gives You Limes, Make Margaritas" - Jimmy Buffett
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