Larger circumference tires better mileage?
I am wondering if this could be true. I ordered my dually with the 4.10 rear axle for more power pulling the heavy 5th wheel. At 70 mph I'm over 2000rpm. Now that I'm getting a TC I don't need that mu...
Forum Discussion
I think the mpg advantage would be slight. But it can be done (and keep in mind that your speedometer reading will then be off). A tire store could advise you, too.
