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tucsonjwt · 03-14-2011, 02:08 PM

I am guessing that a 3.08 rear axle makes a big difference in highway mpg. I know my 4.11 ratio is an mpg killer.

03-14-2011, 02:08 PM	#11
tucsonjwt Registered User Join Date: Jul 2007 Location: Tucson, AZ Posts: 3,198	Re: Impressed with my truck's mileage. I am guessing that a 3.08 rear axle makes a big difference in highway mpg. I know my 4.11 ratio is an mpg killer.