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Mike

Mike 4/12/2010

2001 GMC Sierra 2500 HD SLE 8 Cyl 8.1L

Engine

Fuel economy for my 8.1

how do i get better fuel economy from my truck ? I have 4:11 gears in it, if i change them will it help?

2 Answers


HouseCallAuto

HouseCallAuto 4/12/2010

Any increase would not pay down the cost to change the gears over and if it is 4WD, the gears in the front I believe would need to be changed as well. I assume that the fuel mileage is not good compared to how it was at an earlier time or it is not good compared to your expectations?

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HouseCallAuto

Mike 4/13/2010

it is 4WD just want to get a couple more miles if I could. It gets around 7-8 pulling my fifth wheel and around 10 in town and 12 on road

HouseCallAuto

HouseCallAuto 4/17/2010

It will cost you 2000 to change gears in the front and rear.

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