porkchopssteelers
Junior Member
- Joined
- Aug 4, 2014
- Posts
- 1
- Reaction score
- 0
- Ram Year
- 2015
- Engine
- 5.7 hemi
has anybody swapped the rear gear on a 1500, 5.7 ? I have a 2015 , 5.7 and although I like the off the line power with the 3:90 gear, I was thinking of swapping out to a 3:21 and was wondering if anybody had done something like this and how it affected the mileage