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Technical Identifying brake drums

Discussion in 'Traditional Hot Rods' started by Conrad*Hamburg, May 11, 2020.

  1. Conrad*Hamburg
    Joined: Jul 4, 2012
    Posts: 18

    Conrad*Hamburg
    Member

    Hello from Hamburg in Germany.
    I am going to buy a complete front axle with wishbones and so on. It was under a 36 Ford. What kind of brake drums are these, aftermarket? I just know the 'normal' drums.
    Thanks a lot,
    Conrad IMG-20200511-WA0004.jpeg

    Sent from my SM-A520F using The H.A.M.B. mobile app
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 56,040

    squirrel
    Member

    perhaps 1935 drums?
     
    X38 likes this.
  3. Conrad*Hamburg
    Joined: Jul 4, 2012
    Posts: 18

    Conrad*Hamburg
    Member

  4. 47streetrodder
    Joined: Oct 27, 2007
    Posts: 104

    47streetrodder
    Member

    Those Drums are the Ford "Rocky Mountain" Brakes used from 1932 -1935. Since your front end assembly was under a 36 Ford I suspect someone put a '35 Ford axle assembly complete with brakes under your '36 or could be that someone swapped '36 front sheet metal onto a '35. Are your rear brakes the same style?
     
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  5. studebakerjoe
    Joined: Jul 7, 2015
    Posts: 1,136

    studebakerjoe
    Member

    Conrad, Ford went to that open drum style in 1931. They are the "normal" drums for a 1935 Ford. They were also made in the later wide 5 bolt pattern. I believe that would be starting in 1936.
     
  6. 302GMC
    Joined: Dec 15, 2005
    Posts: 7,867

    302GMC
    Member
    from Idaho

    ''Rocky Mountain Brakes" are aftermarket Model ''T'' parts - nothing to do with V8 era Fords.
     
  7. alchemy
    Joined: Sep 27, 2002
    Posts: 20,504

    alchemy
    Member

    It's a misconception, or misnomer, but guys always call these stock Ford brakes with the open windows the Rocky Mountain Brakes. Just the same as calling a regular 32 front axle a Heavy Beam axle. They are all like that. But somewhere the guy heard a catchy name and now he thinks he needs to call all the regular parts with that name.
     
  8. 47streetrodder
    Joined: Oct 27, 2007
    Posts: 104

    47streetrodder
    Member

    Rocky Mountain Brakes may have not been the correct term when Ford first introduced them, but seems to be the common term used today. I picked up the term from the Jalopy Journal.

    https://www.jalopyjournal.com/forum/threads/ford...
     
    gimpyshotrods likes this.
  9. Conrad is from Germany, those are Bavarian Alpine Brakes :oops:
     
  10. 47streetrodder
    Joined: Oct 27, 2007
    Posts: 104

    47streetrodder
    Member

    You are absolutely correct.
     
  11. I’ve done the model T stuff. When you look up the parts using the term Rocky Mountain Brakes, model T parts come up. The term also comes up for the post model T drums like these in forums.
    My only question is will the drums work with hydraulic backing plates.
     
  12. standard 1932 to 34 brake drums.........check the manual.........
     
  13. lamaison
    Joined: Oct 21, 2006
    Posts: 127

    lamaison
    Member
    from Canada

    Everything else "appears" to be later than 1932-34 (the cross steering, etc.) so 1935 would seem the most likely, especially if it was under a 1936 (with spring in front of axle, etc.) Pictures of everything else (spindles, etc.) might help to nail it down. If this was under a 1936 you may want to make sure what you're getting - 1935 and 1936 were both "one year only" as far as spindles go, so if 1935 hubs (small bolt pattern) were put onto 1936 spindles there could be some significant fit problems.
     
  14. Conrad*Hamburg
    Joined: Jul 4, 2012
    Posts: 18

    Conrad*Hamburg
    Member

    Yes Sir ;-)
     
  15. Conrad*Hamburg
    Joined: Jul 4, 2012
    Posts: 18

    Conrad*Hamburg
    Member

    They also have the small bolt circle and the steering arm is bolted on the spindle. So I think they put 1935 parts under a 1936 car? Maybe an early 1936 car with some parts from 1935?

    I am searching for a Standard 36 axle and spindles to have them dropped.
    So this are not the right parts for me.

    Thank you guys for your help!
     
  16. sloppy jalopies
    Joined: Jun 29, 2015
    Posts: 5,256

    sloppy jalopies
    Member

    Hamber straightened me out, '32 to '34 "window " drums were smooth opposite the shoes...
    '35 had ribs that ran all the way around opposite the shoes...
    I have a pair if model a [smaller] window drums if a trogger needs them...
     
  17. 5280A2
    Joined: Sep 8, 2014
    Posts: 184

    5280A2

    Conrad:
    Sloppy Jalopies and Rich B. have it correct. It may also be helpful for you to know that all axles from '33 to '36 are the same, and that the 1935 drums are a one-year only piece that have the necessary supports for any of the Ford wire wheels, and are the same width as the later drums so they will work with the '39-'48 Ford hydraulic brakes.
     
    deuceman32 and anthony myrick like this.
  18. Thanks.
     
  19. flatford39
    Joined: Dec 3, 2006
    Posts: 2,799

    flatford39
    Member

    35 drums are pretty hard to come by if that is what they turn out to be. A one year only thing. Don't throw them away.
     
  20. What do you mean by "bolt on" steering arm; looks like in the picture the drag link is hooked to the regular spindle arm. More pictures would help ID your parts.

    Not the best picture; but everything looks '35. The axle is the kind you want; and while the spindles are usable, there are a lot of advantages to getting a pair of '37-'41 roundbacks or '42-'48 squarebacks and building from there.
     
  21. 47streetrodder
    Joined: Oct 27, 2007
    Posts: 104

    47streetrodder
    Member

    The H.A.M.B. is a great teacher. I've learned something new about the open style brake drums. Studebakerjoe is correct about some of the 1936 open drum style having the later wide 5 bolt pattern. This morning I was searching for parts and found and noticed a set of open style brake drums with the wide 5 bolt pattern. Don't know if these open style drums with the wide 5 pattern were for just for pickups or if they were available as an option. Here's a link for the advertisement showing these wide 5 drums. https://fresno.craigslist.org/pts/d/fresno-ford-pickup-parts/7115665584.html
     

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