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11 inch brakes

Discussion in 'Early CJ5 and CJ6 Tech' started by jim warren, Apr 10, 2012.

  1. Apr 10, 2012
    jim warren

    jim warren Member

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    I am interested installing 11 inch brakes on my 1957 cj5. What plated would fit. I was told I needed early 70s wagoneer plates and drums.
     
  2. Apr 10, 2012
    jasonjp62

    jasonjp62 Member

    Pennsboro WV.
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    I got mine from a 76 postal jeep.......really good upgrade for an early jeep
     
  3. Apr 10, 2012
    jim warren

    jim warren Member

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    I have read that 62-72 wagoneers will fit
     
  4. Apr 10, 2012
    colojeepguy

    colojeepguy Colorado Springs 2019 Sponsor

    At the foot of...
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    72-75 cj
     
  5. Apr 10, 2012
    sparky

    sparky done Staff Member Founder

    Toowoomba, QLD
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  6. Apr 10, 2012
    timgr

    timgr Jeepin' Nerd 2020 Sponsor 2019 Sponsor

    Medford Mass USA
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    There were lots of cars with the 11" x 2" Bendix brakes. Not all of these will bolt on, but you can modify the plates to make them work. What you can use depends on how much machining you are able and willing to do. Machining usually consists of cutting the center hole larger, and drilling now mounting holes.
     
  7. Apr 11, 2012
    gibson-d@sbcglobal.net

    gibson-d@sbcglobal.net Member

    Houston, TX
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    I used the brakes from a '76 CJ. The front's (D30) fit as is, had to drill 1 new hole for the rears (AMC20)
     
  8. Apr 11, 2012
    jwjeep60

    jwjeep60 in process

    Sedalia Mo.
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    how well does the drum fit over the rear amc 20 backing plate?
     
  9. Apr 11, 2012
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    Sorry but you cannot use an AMC 20 backing plate on a Dana Spicer axle. The backing plate offset is way wrong. You can use the 30 and 44 drums and most of the hardware and wheel cylinders on a 20 however and vice verse. The axle flange and housing end offset is different. They can use the same drums because the difference is made up with the backing plate offset. Believe me, if all it took was redrilling one or two holes the company I work for that specializes in Jeep brake conversions would not have been scrapping 20 backing plates for the last 20 years......


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  10. Apr 12, 2012
    66cj5

    66cj5 Jeep with no name

    NorthWest Indiana
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    1st generation bronco front brake backing plates (1966-75) are what i used (dana 30 can't use the rears as they used 9inch axles). did have to re drill two holes in the rear ones for the flanged axle. cost me about $50 each.
     
  11. Apr 12, 2012
    47v6

    47v6 junk wrecker! 2020 Sponsor

    Washington DC.
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    i used 1970 wagoneer backers. this time i went with the disk setup. the price was the same. the drums worked great though.
     
  12. Apr 12, 2012
    lynn

    lynn Time machine / Early CJ5 HR Rep Staff Member

    Huntingdon PA
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    I have a set of EB front 11" brakes in my shed... had them FS here twice, couldn't get a bite!
     
  13. Apr 12, 2012
    JeffsJeep04

    JeffsJeep04 Member

    Menomonie, WI
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    Shipping seems to kill the deal. I can convince the old lady to let me get upgraded brakes, but that extra $50 for shipping seems to push it into "too much" land. Someday I'll be able to pay the bills and fix the jeep...
     
  14. Apr 12, 2012
    '74Renegade

    '74Renegade Active Member 2019 Sponsor

    Fair Oaks, CA
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    Since 2 backing plates fit into a large flat rate box, I would think that you could ship the backing plates and drums in 2 large flat rate boxes reducing the shipping to about $30 for the set.

    Sent from my LS670
     
  15. Apr 12, 2012
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    Best to buy backing plates and necessary hardware only then buy everything else local usually


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  16. Apr 14, 2012
    jim warren

    jim warren Member

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    I have read over all the inof that I can find. I have one question whether I shound remove the bracket that where the rubber brake line mates with the steel line. I know the current steel line will be too short. What about bending up a longer line? If I didnt remove the bracket, I am afraid the longer hose will hit it. Any ideas?
     
  17. Apr 14, 2012
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
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    I'm assuming this is for a 25 front? I'd remove the bracket and short metal S line and run a rubber hose directly from the wheel cylinder to the metal line at the frame.


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