F250 3.73 to 4.30 axle ratio
I have a 2017 F250 4x4 crew cab, 160" wheel base, 6.2l gas, 3.73 gear ratio. I am trying to see if having 4.30 axle ratio gears installed will make much difference regarding 5th wheel towing. I noti...
Forum Discussion
Having gone from 3.73 to 4.30 myself, it is worth every penny. When I had the Excursion with the V-10 OD was useless when towing. After I could cruise in OD and it would only kick down on the largest of overpasses. It also stopped bogging down on each shift because the gears made the trans work better. I also gained .5 mpg towing.
