cameron tanner said:
I was told that if you had enough power to pull a bigger size tire you could run down the freeway at a lower rpm, so that would give me better fuel mileage.
cam
At freeway speeds and ONLY flat ground. The mileage difference was miniscule enough, I went back to stock on my V10. Gas mileage went down drastically on the hills and when I was loaded.
I am actually taking my 2" leveler kit, fender flares, and 315's off my Cummins, so I can go back to stock and increase my fuel mileage.
I am not trying to be a dick, but seriously. Do you think DC would put smaller tires on if they knew larger tires could bring down emissions and increase fuel mileage?