04-16-2012, 07:26 PM
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Hummer Professional
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Join Date: Jul 2005
Posts: 407
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Re: Gas milage help!!!
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Originally Posted by '[__--MUD--__
'I already had 4.56 gears in my truck when I bought it w stock wheels/tires. Maybe thats why I felt so much of a loss jumping up to 37's. I'm hoping w/ the extra torque I'll need less throttle which should keep it in overdrive more on the highway.
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