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11" Drum Swap

Discussion in 'Early CJ5 and CJ6 Tech' started by RVSwisher, Jul 1, 2008.

  1. RVSwisher

    RVSwisher Member

    I have read the tech page regarding the 11' swap. The question I have is will any CJ 11' drum work or does it need to be a 71-76? I have found some on e-bay, but they are off a 77.

    Thanks
     
    RVSwisher, Jul 1, 2008
    #1
  2. Vanguard

    Vanguard Take Off! Staff Member

    Vanguard, Jul 1, 2008
    #2
  3. 66cj5

    66cj5 Jeep with no name

    i think the '77 is finned.

    FYI i used drums from a '73.
     
    66cj5, Jul 2, 2008
    #3
  4. timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Finned drums won't matter. Still fits the OEM Jeep wheels.

    From '76 on, Jeep used the Corporate 20 (aka M20, AMC 20) rear axle, and its brakes won't work. So, front drum brakes from '76 on will work, but front disks were offered from '77 on, and became standard at some point, so not many of the late front drum vehicles around now.
     
    timgr, Jul 2, 2008
    #4
  5. jeeper50

    jeeper50 jeeps 'till I die

    X2 Backing plates off the Corp 20 will not work. But depending on what you have to pay for the set it would be worth it to follow the bid, just for the front brake setup.
     
    jeeper50, Jul 2, 2008
    #5