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axle

  1. W

    Only one axle choice?

    What I would like to know is what is the only 3.73 axle listed when you build a 2021 Diesel 4X4 3500 non-HO truck on the Ram Build Site? There are no other options to choose and it does not describe it further than just saying "3.73 Axle Ratio". Is it limited slip, electronic locking, or ...
  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...
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