What kind of rear do I have?

Mopar General Discussions

  1. 67DodgeDart360

    67DodgeDart360 Well-Known Member

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    Hi, I’m trying to switch my 5x4 axles To 5x4.5 lug pattern. I think my rear was out of a 71 Dart. Right now it’s in my 67 Dart. I’m not sure what rear I have. Or what spline axels I have. And also what stuff I need to change to 5x4.5. I know Dr Diff has some axles I can use but I need to make sure I purchase the right ones. I have a 276 tag that’s on the rear. Please see all pictures. Thanks


    https://www.doctordiff.com/axle-pkg-stock-length-mopar-5x4-1-2-bolt-pattern-pair.html

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  2. cudascott

    cudascott Now I have a Hemi

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    8.75 rear but need to see other side of the differential
    to see what case you have.
     
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    • Professor Fate

      Professor Fate Push the button, Max...

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      8.75 differential, and if it is small bolt pattern, then it's a stock A body rear.
      The factory never altered from 30 spline axles, the 35 splined ones are race axles to be used with a spool.
      The 276 tag on the rear is the installed gear ratio- 2.76:1. Not exactly performance oriented, but you'll have a great top end on the freeway.
      You will also need to get some B, E, or C body brakes (backing plates, drums, hardware) to go with your new axles.
       
    • MerlinsMopar

      MerlinsMopar FABO Gold Member FABO Gold Member

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      Dr diff stock a body will work but you will need the backplates etc as stated above. Also will kick the backspacing out a 1/2".
      Just in case you are getting rims, measure after the conversion is done.
       
    • Demonic

      Demonic Well-Known Member

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      You have an 8 3/4 as others have said. If the ratio is really 2.76, save your money. You'll never stress a 4" bolt pattern w those gears. :D Seriously - Pulling the axles is the first step to change gears. A set of 3.55's or 3.91's would seem like a huge difference.

      Where in Maryland? There's a few of us spread around.
       
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      • Jadaharabi

        Jadaharabi FABO Gold Member FABO Gold Member

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      • Lord Sparky

        Lord Sparky Well-Known Member

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        Tricky question. I always tell my wife it’s perfect!
         
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