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Old 03-13-2012, 11:19 PM
Taylo1's Avatar
Taylo1 Taylo1 is offline
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Join Date: May 2011
Location: Childress, Texas
Posts: 204
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Vehicle: 2012 Dodge Ram 2500 4x4
Trim Level: Outdoorsman
Color: White
Engine: 2009-???? 345ci (5.7L) Hemi V8 390hp 407lb/ft
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I am gonna bring the thread back to life.. I now have a 2012 2500 with the Hemi and the mileage is not good about the same as everyone else. My questions is I replaced my wheels and tires with 325/60/18 from 245/70/17, how big of a mileage buster is going to that size of tire going to be. I have 4:10 gears and with the 17's running 70 RPM's were 2100 with 18's they are running 1800, you would figure lower RPM's better mileage. I may put the donuts back on...

Last edited by Taylo1; 03-13-2012 at 11:27 PM.
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