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Axle Upgrade Opinions?

Discussion in 'Early CJ5 and CJ6 Tech' started by Sierra Bum, Feb 13, 2019.

  1. Feb 13, 2019
    Sierra Bum

    Sierra Bum Member

    The High Sierra
    Joined:
    Oct 23, 2017
    Messages:
    145
    I want to upgrade my rear axle to full floating shafts. I have the original 19 spline Dana 44 in my 68', with a Power Lok. Herm's kit runs around 1K. I'd put in a Power Lok rebuild kit as well. I imagine with shipping etc, this probably comes to 1300 bucks. Then I'd have to do the work, which is no big deal, but of course time is valuable to me.

    BUT....

    I'm considering another already built axle; a direct fit Dana 44 with 30 spline full float shafts, the proper gears, and an ARB air locker. Used, but good shape, so I understand. Don't know price but not much more expensive.

    ---I really like my Power Loks. But I once had an ARB in a truck and had no issues with it. I was going to avoid the ARB due to potential trail failures, but am reconsidering.

    Any thoughts or opinions welcome. Thanks in advance....
     
    Last edited: Feb 13, 2019
  2. Feb 13, 2019
    ITLKSEZ

    ITLKSEZ Volvophilic

    Post Falls, ID
    Joined:
    Aug 13, 2015
    Messages:
    3,478
    I'd go selectable over LSD any day.
     
    47v6, Sierra Bum and Rich M. like this.
  3. Feb 13, 2019
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member Sponsor

    Denver, CO
    Joined:
    Jul 18, 2013
    Messages:
    2,428
    Selectable! I am pricing out an eaton selectable right now...I am probably not as competent as you are in terms of install work, but if I could get a bolt in D44 with a selectable for the price your talking...I'd take it!
     
    Sierra Bum likes this.
  4. Feb 13, 2019
    OzFin

    OzFin Vintage Jeep Guy

    Michigan
    Joined:
    Jul 16, 2007
    Messages:
    531
    X 3 on selectable.
    Plus the 30 spline housing should be more stout than the original 19 spline housing. Bigger tubes.
     
    Sierra Bum likes this.
  5. Feb 13, 2019
    Tom_Hartz

    Tom_Hartz Member Sponsor 2019 Sponsor

    North Carolina
    Joined:
    Apr 9, 2014
    Messages:
    331
    I put about 100,000 miles on a TJ with a 44 rear and a 30 front diff. Both had a ARB and never had one problem.
     
    Sierra Bum likes this.
  6. Feb 13, 2019
    Sierra Bum

    Sierra Bum Member

    The High Sierra
    Joined:
    Oct 23, 2017
    Messages:
    145
    Thanks for the replies guys. I know the ARB's are good units. So I should probably calm down about the reliability of it. Looks like I can pick it up for 1400. Its rebuilt with new r&p gears, bearings, FF chromalloy axle shafts. Its got 2.75" tubes. 11" Drums.

    Now I just have to wait for a weather window and for the passes to open. Bugger of a winter this year.

    Since I'll have to plumb air, I guess I should think about putting one in the front end now too.
     

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