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Questions about a 70 CJ5

Discussion in 'Early CJ5 and CJ6 Tech' started by Txjake, Apr 17, 2006.

  1. Apr 17, 2006
    Txjake

    Txjake I wrenched with Sparky

    Oklahoma City OK
    Joined:
    Feb 3, 2006
    Messages:
    544
    Just got the "new' Jeep home late yesterdayafternoon, and after getting her running, I took a drive around the yard. Brakes were non working, so when I checked the fluid, I found a dual circuit master cylinder. I thought the early 5s had a single circuit, so this was a bonus. Did the "late" early type CJ5s ever come with a dual circuit cylinder? This one is rectangular, with a center bolt holding the cover on. As unmodified as this Jeep is, I would be surprised that this had been added on...

    Also, the T case is busted and the transmission is somewhat wonky. Can I drop in my T90 and dual lever SD 18 without too much trouble?


    BTW, that V6 is lots stronger than an L134!!! :)


    :flag:
     
    Txjake, Apr 17, 2006
    #1
  2. Apr 17, 2006
    sparky

    sparky Sandgroper Staff Member Founder

    Perth, WA
    Joined:
    Sep 20, 2002
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    9,221
    Lots of discussion in this forum and mentioned in a couple brake conversion articles.

    Starting in 1968 the government mandated dual chamber MCs. So it's stock.
     
    sparky, Apr 17, 2006
    #2
  3. Apr 17, 2006
    Txjake

    Txjake I wrenched with Sparky

    Oklahoma City OK
    Joined:
    Feb 3, 2006
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    544
    Thanks, I knew the gov did that sometime around then, but wasn't sure if and when the CJ was included. One less thing I need to change...
     
    Txjake, Apr 17, 2006
    #3
  4. Apr 17, 2006
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
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    23,596
    To use a T-90 with a V6, you need the long input shaft and a GM plate adapter. They are pretty cheap on the used market, and not too hard to find. The T-90 would be ok, better ratios than the T-14 but no synchro in 1st.
     
    timgr, Apr 17, 2006
    #4
  5. Apr 17, 2006
    TigerShark

    TigerShark Sponsor

    St. Louis, MO
    Joined:
    May 27, 2004
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    333
    My '68 and '70 both had duel resevoir units.

    Jim
     
    TigerShark, Apr 17, 2006
    #5
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