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Drum Inside Diameter

Discussion in 'Intermediate CJ-5/6/7/8' started by cj573, Nov 1, 2018.

  1. Nov 1, 2018
    cj573

    cj573 Member

    Pittsburgh
    Joined:
    Jan 27, 2017
    Messages:
    83
    IMG_2109.JPG IMG_2109.JPG
    I have a dana 44 with 11 inch drum brakes. I had to replace everything in the rebuild, My drum does not fit without taking the drum adjuster off. Any aides what the inside diameter should be of the drum
     
    cj573, Nov 1, 2018
    #1
  2. Nov 1, 2018
    FinoCJ

    FinoCJ 1970 CJ5 Staff Member

    Bozeman, MT
    Joined:
    Jul 18, 2013
    Messages:
    5,651
    I had issues getting my 11in drums to fit over the new shoes etc on my D27 when I upgraded....There was a bit of discussion about shoes not coming with the correct arch etc....I found with some filing on the drum adjusters that I was able to create the clearance needed. Obviously check to make sure you have the R and L adjuster on the correct side as well as the short and long shoe on the proper front/back per drum. Here is some discussion from my build...not sure its all that helpful but:
    Fino's 1970 Mini Build Thread

    Some of combination of the following solutions worked from that discussion:
    As best as I can tell, the self adjuster just won't get short enough to allow the shoes to retract quite enough. I did a little filing on the shoes where the self-adjuster sits, and I also filed on the self-adjuster trying to get it a bit shorter.

    i had to trim the stationary side of some adjusters before un thread em and use a cut off wheel, a little grind on the edge to clean it up. may have to chop the threaded part a little too.
     
    FinoCJ, Nov 1, 2018
    #2
  3. Nov 1, 2018
    mike starck

    mike starck Member

    salem,oregon
    Joined:
    Jun 22, 2006
    Messages:
    762
    The I.D. should be marked on drum with max. dia. allowed.You can check shoe arc by placing the shoe inside the drum.Should be a little "rock" or clearance at the ends of shoe.Some hardware kits may not have the correct adjusters.Need to compare with old parts if you have them. 11" drums should be 11" with some room on max dia. for truing and or turning. The new stuff I have worked with allow maybe one turning oversize.some none .
     
    mike starck, Nov 1, 2018
    #3
  4. Nov 1, 2018
    cj573

    cj573 Member

    Pittsburgh
    Joined:
    Jan 27, 2017
    Messages:
    83
    Here is the id on the drum

    IMG_2046 (1).jpg
     
    cj573, Nov 1, 2018
    #4
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