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T-90 A1?

Discussion in 'Early CJ5 and CJ6 Tech' started by Tall Grille, Aug 25, 2007.

  1. Aug 25, 2007
    Tall Grille

    Tall Grille New Member

    Joined:
    Aug 19, 2007
    Messages:
    4
    I am parting out a 68/69 CJ-5 and in pulling the Tranny today I was surprised to see a Back-Up light switch. The Tranny is marked T90-A1. Is the back-up light the only change for the -A1 tranny or is there more to this? I was going to keep it around as a spare for the 62 CJ-3B but if it is not correct I will sell it off.
    Also the T-Case is a single stick, can the twin stick shifters be mounted in place of the single stick? again I wanted to keep the T-Case as a spare but now I am not sure if it is worth holding onto.
     
    Tall Grille, Aug 25, 2007
    #1
  2. Aug 26, 2007
    Vanguard

    Vanguard Take Off! Staff Member

    Vista, CA USA
    Joined:
    Aug 30, 2006
    Messages:
    2,260
    Yes, you can twinstick the transfer case. You might pm nickmil he often has twin stick kits for sale. I think all T-90 towers have T90-A1cast in them, but I'm not sure. I think it'd be fine to keep it with a back up switch.
     
    Vanguard, Aug 26, 2007
    #2
  3. Aug 26, 2007
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
    Joined:
    Sep 10, 2003
    Messages:
    2,084
    my t86aa ( '66 had the casting area for the switch, but not machined out. ) As far as the difference(s) on the -A1 tranny, the gear ratios are different, the tower is the same on the 86/90 tranny.
     
    66cj5, Aug 26, 2007
    #3
  4. Aug 26, 2007
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
    Messages:
    23,596
    timgr, Aug 26, 2007
    #4
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