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I have a 2019 Ram 1500, 5.7L with 3.21 rear gears. I want to swap the gears to 3.92s. Does anyone know what other modifications would be required, if any? Computer reprogramming? Trans cooler? What exactly are the differences from factory other than the gears?
I purchased a 2020 Ram 1500 about 6 months ago and want to do a gear swap. Ive searched high and low and cant seem to find any aftermarket ring and pinion sets for the swap. I have a 3.21 and looking for a 4.10. It is a 2wd so the front end isnt an issue here.
Anybody know where I can find them...
I hope this post will help to end the debate with facts and not opinions, and become THE post people refer to those who are having a hard time deciding.
You already know that 3.92 is better for towing, and 3.21 gets better fuel economy, so I will talk about what you might not know
Just picked up my 2019 all new billet silver 5th Gen, Bighorn / Lonestar Crew, 5.7, 3.21 gears, 25Z package, LED’s, (9) Alpine speakers and remote start two days ago. After 500 miles I’m so impressed with this rig. It’s ride, it’s power, it’s stereo and it’s great looks! I wasn’t impressed with...
How realistic / costly is it to switch a truck that comes with the 3.92 gear ratio back to a 3.21?
I’ve found several trucks that I like that have the 3.92 instead of 3.21, but I do not need the 3.92 as I do not do a lot of towing.
I realize this may be a really stupid question.