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11" Backing Plate Conversion

Discussion in 'Builds and Fabricators Forum' started by FinoCJ, Apr 9, 2024.

  1. Apr 9, 2024
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
    Joined:
    Jul 18, 2013
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    5,655
    11" bendix self adjusting brake backing plate - Anyone tried to convert a non-parking brake backing plate to one that will accept and function with a parking brake cable? is there any difference other than the parking brake cable access. As you might guess, I have some 'front' style, non-parking brake plates sitting on the shelf, and wondering if its worth trying to use them on the rear of the CJ - but as I don't have/want a D18 drum, looking for a way to put the brake on the rear drums.
     
    FinoCJ, Apr 9, 2024
    #1
  2. Apr 9, 2024
    Rozcoking23

    Rozcoking23 RUN & GET BIT! 2024 Sponsor

    Stockton, CA
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    I looked at doing this a few years back and hacked up a plate and wasn’t able to figure it out where it would work. I ended up going to disc brakes. I also looked at using backing plates off a Chevy Dana 44 and drilling new holes to make them to fit, but never got around to doing it.
     
    Rozcoking23, Apr 9, 2024
    #2
  3. Apr 9, 2024
    colojeepguy

    colojeepguy Colorado Springs

    At the foot of...
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    The backing plates with the cable provision have a raised area (it would be an indentation if viewed from the brake drum side) with a hole at an angle. I think this would be pretty problematic to try to make your own.

    20240409_123228.jpg
     
    colojeepguy, Apr 9, 2024
    #3
    Stakebed likes this.
  4. Apr 9, 2024
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
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    I've done it but on 10" trailer brakes, not benxix 11's.

    I hacked an appropriately sized/shaped hole for the cable to come in at an angle, welded a washer with the right sized hole to retain the cable clip fingers & covered it over with some heavy sheet metal.

    It looked like S*** but it worked.
     
    Howard Eisenhauer, Apr 9, 2024
    #4
    colojeepguy likes this.
  5. Apr 9, 2024
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
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    Somebody here did this not too long ago....
    DesertRunner in his axle build thread ?
    I think it was him.
     
    jpflat2a, Apr 9, 2024
    #5
  6. Apr 9, 2024
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
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    That sound like what I'd be going for
     
    FinoCJ, Apr 9, 2024
    #6
  7. Apr 9, 2024
    Jw60

    Jw60 Cool school 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Sedalia MO.
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    Pipe, washer, lots of shaping and something good to reference.
     
    Jw60, Apr 9, 2024
    #7
    OzFin likes this.
  8. Apr 10, 2024
    Jon B.

    Jon B. Retired three times; still working.

    SW Minnesota
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    DiggerG over on the Old Willys forum suggested cutting the cable opening out of the old plate, making a matching cut on the front plate and welding it in. I thought about it but located used Bendix plates on eBay for $100 with all of the hardware intact (most of it got replaced anyway).

    Jon B.
     
    Jon B., Apr 10, 2024
    #8
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