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Re: looking at newer used truck Duramax vs gas opinions
Posted to Open Discussion Forum on 2/13/2013

I run an 02 GMC 2500HD with an 8.1L and an Allison behind that. Great torque and pulling power. With my 35" tires I get about 10MPG. Stock tires id probably be around 12-14. Ive talked to a few guys running the 6.0 and they get about the same fuel economy. Als... Login to read more.

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