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Technical Rear end identification help

Discussion in 'Traditional Hot Rods' started by Hardtail75, Jul 1, 2017.

  1. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Hey guys. I am just a beginner. This is the rear end inside my '35 coupe project. Someone told me it is not stock. Hoping you guys can ID it for me and lastly, could a smaller Hemi from the '50s or a SBC run with this rear end ?

    Thank you and have a great weekend.
    IMG_20170701_115252.jpg IMG_20170701_115152.jpg
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    probably 49-56 ford car. Does it have 4.5" bolt circle for the wheels?
     
  3. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Thanks. I believe it is 5.3".


    Sent from my Pixel XL using The H.A.M.B. mobile app
     
  4. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    how are you measuring? Original on a 35 would 5.5" circle. Try measuring from the center of one stud, to the outside of the opposite stud, it will give you a good approximation.

    Does it have wheel adapters on it? :)
     

  5. Looks very similar to the rear that came out of my '54 Ford,that would be a 4 1/2" bolt pattern. HRP
     
  6. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    No wheel studs. I was measuring incorrectly before. My mistake. It has an odd number of studs and measures at 5.5".

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  7. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    Interesting. I'm not sure what it is, then...
     
  8. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Hmm. I measured from the center of one stud and then opposite between two.

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  9. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Interesting. Can you run newer engines on a rear end like that?

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  10. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    you can, but it's designed to handle about 150 hp. not much available for gear ratios, etc. It would be a good choice for a very traditional mid 50s type build, which might be why it's in the car in the first place?


    I wonder what the axles look like, if it's really a large bolt pattern, with that center section?
     
  11. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Thanks so much for your help. I'm glad to hear this. I'll get more pictures soon after I finish a clean up around the yard and shop. Hoping to get the Hemi going after I deal with the seize.

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  12. BamaMav
    Joined: Jun 19, 2011
    Posts: 6,744

    BamaMav
    Member
    from Berry, AL

    Is that axle sitting on top of a split wishbone? Something looks strange there.....
     
  13. That diff/suspension setup is hill billy at best. Do not run it like that.
    A parallel leaf kit would be an easy solution.
     
  14. alphabet soup
    Joined: Jan 8, 2011
    Posts: 2,019

    alphabet soup
    ALLIANCE MEMBER

    To me, I looks like the '56 and older Chrysler rear. The one that looks like an 8.75 but really isn't.
     
  15. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    I will get the body lifted as soon as possible and get clearer photos for you all. Not sure what is going on with the suspension.

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  16. R Pope
    Joined: Jan 23, 2006
    Posts: 3,309

    R Pope
    Member

    "No studs" ...It's a Chrysler diff, uses wheel bolts.
     
  17. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    so, you think this

    [​IMG]

    looks like this, which is a 1940s Mopar rear?

    mopar.jpg

    or maybe it looks like this, which is a 50s mopar rear?

    [​IMG]
     
    Last edited: Jul 2, 2017
  18. alphabet soup
    Joined: Jan 8, 2011
    Posts: 2,019

    alphabet soup
    ALLIANCE MEMBER

    Sorry I didn't have one at hand to look at. I was looking more at the rear of the housing, it's shape, the weld seam at the top, and the brake line bracket. Please excuse me ignorance.
     
  19. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    You're right, the back does sort of look like a Mopar. But there is more you have to look at, to figure it out. And google has pictures of many things, but it is not easy to find some of them. One thing I have noticed about the Mopars is that the studs that hold the third member to the housing, are not evenly spaced.
     
  20. alphabet soup
    Joined: Jan 8, 2011
    Posts: 2,019

    alphabet soup
    ALLIANCE MEMBER

    My memory of these has been pushed to the back caverns of my brain. I have been in many 8.75's. I have one in my '40. But I haven't worked on any of the early rears since my uncle died 15 or so years ago.
     
  21. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    Me too. That's why I cheat and use google images search to figure out stuff that I forgot.
     
    redo32 likes this.
  22. Duellym
    Joined: Feb 28, 2016
    Posts: 315

    Duellym
    Member

    Looking around on Google, i think it's a toyota 9.5 rear axle.

    [​IMG]

    3rd member looks close anyway.
     
  23. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    really? I'd love to see a picture of a Toyota differential that has that style ribs, and that type of U joint yoke.
     
  24. Duellym
    Joined: Feb 28, 2016
    Posts: 315

    Duellym
    Member

    I just edited my post. The ribbing looks right, to me anyway.
     
  25. Well, so show us a photo of the Brake drum wheel flange (wheel off or on). If it's Mopar it will have a tapper and key axle end showing past the drum. Also I believe the style I'm talking about used wheel bolts not studs in drum. The differanc in back side of backing plate and housing flange are pretty clear between Mopar and Ford.
    The Wizzard
     
    squirrel likes this.
  26. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    Interesting....I never knew that Toyota copied the 49-56 Ford rear! but the one in the old car is still a Ford rear end, not a Toyota...
     
  27. squirrel
    Joined: Sep 23, 2004
    Posts: 56,043

    squirrel
    Member

    here's a 56 ford car rear.

    56 ford rear.jpg
     
  28. Hardtail75
    Joined: Jan 18, 2014
    Posts: 117

    Hardtail75
    Member
    from Canada

    Hey everyone. Thank you all for your assistance. I should have more pictures later this afternoon for you guys. I'll make sure to get the drums.

    Sent from my Pixel XL using The H.A.M.B. mobile app
     
    36DodgeRam likes this.
  29. Duellym
    Joined: Feb 28, 2016
    Posts: 315

    Duellym
    Member

    Yeah, definitely a ford rear, pretty sure they toyota's were 6 lugs
     
  30. studebakerjoe
    Joined: Jul 7, 2015
    Posts: 1,136

    studebakerjoe
    Member

    Duellym, Toyota would be 6 lug if 4wd 5 lug 5x4 1/2 if 2wd
     

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