Changing from 3.73 to 4.10 gears
Hello all, After towing our new Reflection 320MKS from Eastern Iowa to Estes Park Colorado and back, I need more power for the hills. I have a 2015 F-250 with the 6.2 Liter engine. I have 3.73 years...
Forum Discussion
You’ll want to go to 4.30’s! This will let the engine work more efficiently and should give you a bit more mileage. Most including me have seen a .5mpg improvement, however that is with a 4 speed auto. Either way, I wouldn’t go to 4.10. Just not enough of an improvement. In fact some people have gone to 4.56’s and have been very happy.
