What Is The Best Upgrades For Better Fuel Mileage?

[IndyRamMega]

Unfortunately for you, you have the worst setup for mpg's

My dually never saw above 17.

Mine was a CC/HO, the extra wind resistance from the drw humps and the HO plus 4,10's and all the weight in the bed you're carrying; you should be happy with 17.

The thing is, it tows like a freight train.

Thats what you get a truck with that build for.

The only thing i can think of that will increase your MPG is taller tires 34 or 35's on that setup will net you a .5 to 1 mpg increase.

it will also effectively lower your gear ratio to around 3.92, removing some of your towing grunts.

i did 33's on my drw picked up maybe a .5 mpg.

I dropped to an SRW mc/so and can get 16.5 towing 8k at 75 mph.

I have 3.73s, tho.

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