The V6 is underpowered and works it butt off moving a heavy truck. Swap the 6 out for a 5.3L v8 and your fuel mileage will increase. A tune couldn't hurt either.
The V6 is underpowered and works it butt off moving a heavy truck. Swap the 6 out for a 5.3L v8 and your fuel mileage will increase. A tune couldn't hurt either.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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