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
jimh425 wrote:
For those who might want to read more about someone doing a swap on a '06 from 3.73 to 3.42, here's a thread. http://www.cumminsforum.com/forum/3rd-gen-powertrain/385747-3-42-gear-swap-questions.html Obviously cheaper if you only did the rear and was a 2 wheel drive. The OP implied changing rear only in his first post.
7 years and the guy never come back to report final result.
I just wasted time reading it.
