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YJ lock right in a CJ?

Discussion in 'Intermediate CJ-5/6/7/8' started by adamsclarke, Sep 15, 2009.

  1. Sep 15, 2009
    adamsclarke

    adamsclarke Member

    Midlothian, Va
    Joined:
    Sep 8, 2009
    Messages:
    89
    I should get the 74 up an running in the next few days, but I have a spline count question. I have an old JY Dana 30 lock right from years ago. Will this fit in my Narrow track 30? I wasn;t sure of spline counts on the older axles.

    Figured I'd toss it in while I was changing fluids.
     
    adamsclarke, Sep 15, 2009
    #1
  2. Sep 16, 2009
    80cj

    80cj Member

    Hawaii
    Joined:
    Sep 1, 2003
    Messages:
    554
    It should. YJ D30 and your CJ D30 use the same diff case and have the same axcle spline count.
     
    80cj, Sep 16, 2009
    #2
  3. Sep 16, 2009
    DrDanteIII

    DrDanteIII Master Procrastinator

    Milford NJ 08848
    Joined:
    Mar 21, 2007
    Messages:
    1,519
    Yj's are high pinion, but I dont think that matters for the locker.
     
    DrDanteIII, Sep 16, 2009
    #3
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