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How To Improve 6.0 Gas Mileage?


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My 06 2500hd gets 16 mpg highway or city it doesn't seem to care.

The only thing i did was go to a 265/75/16 from the stock 245.

Now once winter hits and 4x4 is engaged thats a whole different story,

then it drops to single digit mileage.

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My 06 2500hd gets 16 mpg highway or city it doesn't seem to care.

The only thing i did was go to a 265/75/16 from the stock 245.

Now once winter hits and 4x4 is engaged thats a whole different story,

then it drops to single digit mileage.

 

hey fellow albertan, is that duramax for gasser? if its gas thats pretty good lol

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  • 3 years later...

Bumping this one back to life !! I recently bought a nice 2002 2500HD 4x4, owned by a elderly guy who passed. This truck was garage kept ! Got it a good deal plus it ran better than any of the 1500's at the same year I looked at. BUT the mileage stinks !! Luckilly its just a weekender. I bought mainly to pull my 19' boat & to go to yard sales & lowes. Thought about selling for something smaller, but it runs & shifts good. You can literally watch the gas guage move !!

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