3.92

  1. T

    Aftermarket Gear Swap

    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...
  2. J

    An engineer's Ultimate Guide to 3.21 vs 3.92 axle ratio

    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 Bottom line...
  3. Steve F.

    1,000 Mile Road Trip MPG Results!

    Just got home from my first road trip in my new truck. (I’m very pleased with the results) Me, my wife, and our three cattle dogs. Phoenix AZ to Ouray Colorado in the San Juan Moutains. First photo is the outbound drive last Thursday. Including two mountain passes. Speeds ranged from 60-75...
  4. HKP7PSP

    0-60 Time with the 5.7L and 3.92 axle

    Hey all, figured I've posted on enough threads now to comfortably make my own. Since I am at 1100+ miles now, beyond the recommended break-in, I felt it was safe to do a proper wide open throttle acceleration run. I couldn't find any 0-60 videos that were for-certain running a 3.92 axle ratio...
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