Lowering gear ratio from 5.38

[Ckreklau]

This is probably a subject that has been talked about way too much so I apologize in advance, I have 2024 roxor 2.7l motor/5.38 gear ratio in axles. Is it possible to switch out the ring and pinion gears to a lower ratio? Maybe 4.10/3.73? Is there a kit you can purchase to do so without having to pull everything apart on the axles? Goal is 55mph at around 2000-2200 RPM engine range. Stock drivetrain 2 years in, this machine has done everything I have asked from it, from plowing snow to getting to fields with parts and tools. So very happy with it, just wish a little lower engine RPM and highway speed.

Only complaint is that I have had to replace fuel filters (2000 miles) a few times.

Wish list is if someone breaks the OBDII port and my tablet would be able to display full engine/diagnostic functions...

Thanks for your time!

 

[Gabe]

Just get the Diesel Freak tune. It does 60 easy even with the 5.38. And lot better in every way.

 

[Gabe]

Also, How did you know you had to replace the fuel filter ?

 

[USMC]

Ckreklau, I did not want to invest in the cost of parts and labor for a ring and pinion. I purchased 35 in tires, a 2 1/2-inch lift, and 2-inch wheel spacers. At 55 mph I run @ 2400 RPM which seems to be the sweet spot. I do have the Diesel Freak Stage II Tune.

 

[Gabe]

My tires are 235/85-16. I will try and get some RPM data with the 2.7 Tune at 55.

 

[USMC]

My tires are 235/85-16. I will try and get some RPM data with the 2.7 Tune at 55.

My Roxor is a 2022.