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miracle whip · 02-22-2010, 02:06 AM

I have a 01 denali xl with 6.0 that i converted to 2x4 because of air ride suspention and put 410 gears in it to turn the 26'' rims and if im real easy on the highway on a long trip at 70 to 75 i can get 18.6

02-22-2010, 02:06 AM	#17
miracle whip Registered User Join Date: Feb 2010 Location: jackson michigan Posts: 34	Re: Fuel milage survey I have a 01 denali xl with 6.0 that i converted to 2x4 because of air ride suspention and put 410 gears in it to turn the 26'' rims and if im real easy on the highway on a long trip at 70 to 75 i can get 18.6