xb1230
Hobby Mechanic
- Joined
- Aug 22, 2014
- Posts
- 960
- Reaction score
- 226
- Location
- South Shore of Montreal, QC, Canada
- Ram Year
- 2020
- Engine
- 5.7 HEMI
I have 9.25 front and rear Diff with 3.92 ratio.
Engine runs at 2000rpm at 60mph which is not the most fuel efficient setup.
Since I am not towing that much and when I am it is very small loads, I am thinking of changing my setup to maybe have it run at 1500rpm at 60mph (if that is even possible).
What would be the most cost effective means of getting to that?
Modifying the tranny with a chip or adding something before the Xcase.
Swapping the Tranny all together for a different setup.
Swaping the ring gears in both front and rear diff to a lower ratio maybe 3.54 or even 3.31.
Unless someone can tell me otherwise I believe the 9.25 Diff's are DANA44 axles and the 2 options above are available for this rear-end, ergo possible the front as well.
If some has alternatives I'm open to any suggestions.
Thank's
Engine runs at 2000rpm at 60mph which is not the most fuel efficient setup.
Since I am not towing that much and when I am it is very small loads, I am thinking of changing my setup to maybe have it run at 1500rpm at 60mph (if that is even possible).
What would be the most cost effective means of getting to that?
Modifying the tranny with a chip or adding something before the Xcase.
Swapping the Tranny all together for a different setup.
Swaping the ring gears in both front and rear diff to a lower ratio maybe 3.54 or even 3.31.
Unless someone can tell me otherwise I believe the 9.25 Diff's are DANA44 axles and the 2 options above are available for this rear-end, ergo possible the front as well.
If some has alternatives I'm open to any suggestions.
Thank's
