Need mileage increase; will changing gears help?

Discussion in 'Performance & Fuel' started by Ru-one, Jan 6, 2013.

  1. dobey

    dobey Rockstar 4 Years 100 Posts

    A programmer may help, indeed. The 5.3 AFM trucks can get up to about 22 MPG highway in stock trim, which would be almost a 50% gain over what you're getting now. If it's not an option, then it's not an option, but it's worth mentioning if you're looking for MPG. Hopefully you can squeeze a few more out of your truck as-is. :)
     

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