Has anyone switched to a smaller tire?
I have a 2014 Ram 2500 6.4 Hemi 3.73 pulling a 30' fifth wheel which weighs approx. 9000lbs. loaded. Stock tire size is 275/70r18. Truck has close to 17k miles and the original Firestone tires need to...
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The difference in tire size would theoretically be as effective as re-gearing to a 3.92 ratio according to gear ratio/tire size calculators. I don't think I would spend the money to re-gear. Tire size change wouldn't cost anything extra since I am planning on new tires anyway. Truck sits pretty tall so being 3/4" lower wouldn't hurt my feelings at all. Good point on load capacities. Will have to look at that. Not sure if I would appreciate the look of the smaller tire though. I do appreciate everyone's input. Has anyone actually made this change?
