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zaddict · 05-05-2008, 09:58 PM

I just picked up 08' 3500 dually LMM and fuel mileage sucks, and 22.5 rims have speedo off. Is there a programmer that will set tire size and pick up mpg's?

05-05-2008, 09:58 PM	eBay Motors #1 (permalink)
zaddict Member Join Date: May 2008 Location: florida Posts: 31	08 Lmm Need More Mpg, How? I just picked up 08' 3500 dually LMM and fuel mileage sucks, and 22.5 rims have speedo off. Is there a programmer that will set tire size and pick up mpg's?

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