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Technical Rear end ID?

Discussion in 'The Hokey Ass Message Board' started by ET, Jan 26, 2019.

  1. ET
    Joined: Aug 12, 2007
    Posts: 27

    ET
    Member
    from MO

    Can anyone help ID this rear end? 4 3/4 pattern, 14 bolt, 54 inches backing plate to plate. Thanks ET rear end 1.jpg rear end 2.jpg
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 43,492

    squirrel
    Member

    how about a picture of the whole thing? including the brakes, etc.
     
  3. s55mercury66
    Joined: Jul 6, 2009
    Posts: 3,684

    s55mercury66
    Member
    from SW Wyoming

    1957-59 Cadillac. There is a small one digit number stamped on it that tells the gear ratio. If there is a letter with the number it is a limited slip differential.
     
    squirrel likes this.
  4. carolina chevrolet
    Joined: Nov 14, 2018
    Posts: 26

    carolina chevrolet
    Member

    Appears that it is geared 3.21
     
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  5. R Pope
    Joined: Jan 23, 2006
    Posts: 3,310

    R Pope
    Member

    I recall Caddy rears being an absolute bitch to work on! Totally off the wall weird design. I would never touch one again!
     
  6. ET
    Joined: Aug 12, 2007
    Posts: 27

    ET
    Member
    from MO

    Thanks.
    ET
     
  7. tb33anda3rd
    Joined: Oct 8, 2010
    Posts: 15,112

    tb33anda3rd
    ALLIANCE MEMBER
    1. Connecticut HAMB'ers

    I had a customer blow up a '58 caddy rear. I went looking for parts and could not find any info. caddy repair manual and Motors manual listed "no service" info. replace whole unit.
    really a stout unit and should last a lifetime.............if there is oil in it.
     

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