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Technical Is a 56 Corvette rear end the same as a 56 Chevy sedan rear end?

Discussion in 'The Hokey Ass Message Board' started by 56don, Sep 30, 2020.

  1. Everything is in the title. Are the rear ends interchangeable?
     
  2. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 8,720

    mgtstumpy
    Member

    Google has them both at 58.8"
     
  3. Dennis D
    Joined: May 2, 2009
    Posts: 701

    Dennis D
    Member

    IIRC the axles are different lengths for open and posi rear ends.
     
  4. 57 was first year posi. Axles are 1/8" shorter.
     
    LAROKE, scotty t, 56don and 1 other person like this.

  5. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 8,720

    mgtstumpy
    Member

    I just learned something!
    upload_2020-10-1_10-43-21.png
     
  6. squirrel
    Joined: Sep 23, 2004
    Posts: 48,326

    squirrel
    Member

    56don likes this.
  7. 1934coupe
    Joined: Feb 22, 2007
    Posts: 4,446

    1934coupe
    Member

    I think the difference Jim is that the Corvette housing has brackets on the top opposite the spring pad for a traction type bar.

    Pat
     
  8. Moriarity
    Joined: Apr 11, 2001
    Posts: 21,016

    Moriarity
    SUPER MODERATOR
    Staff Member

    hollander interchange says no. I think it does have to do with the trac bar
     
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  9. Not in a 56
     
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  10. 1934coupe
    Joined: Feb 22, 2007
    Posts: 4,446

    1934coupe
    Member

    When did it start Scotty? My 62 had them although it was missing the bars.

    Pat
     
  11. 58 or 59. My 57 doesn’t have them, my 60 did.
     
    1934coupe likes this.
  12. squirrel
    Joined: Sep 23, 2004
    Posts: 48,326

    squirrel
    Member

    The early Vettes were built on a 49-54 car frame, so I would not expect the spring perches to be the same as a 55-57 passenger car housing.
     
    1934coupe likes this.
  13. Corn Fed
    Joined: May 16, 2002
    Posts: 2,952

    Corn Fed
    Member

    I seem to remember that the Vette bearing/backing plate housing is slightly rotated where the car is square to the pumpkin.
     
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  14. lumpy 63
    Joined: Aug 2, 2010
    Posts: 1,411

    lumpy 63
    Member

    I think trac bar came out in 59
     
    1934coupe likes this.
  15. carcruse
    Joined: Aug 20, 2007
    Posts: 842

    carcruse
    Member

    There is a 56 Vette rearend for sale on the Detroit CL if you are looking for one.
     
    Last edited: Sep 30, 2020
  16. hoop
    Joined: Mar 21, 2007
    Posts: 598

    hoop
    Member

    My 58 had the trac bars
     
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  17. Moriarity
    Joined: Apr 11, 2001
    Posts: 21,016

    Moriarity
    SUPER MODERATOR
    Staff Member

    Here is a spare corvette housing that I have. You can see the backing plate mounts are clocked differently than the pumpkin flange. I always intended to put this chrome housing in my corvette but it doesn’t make much sense as mine is lowered and nobody would see it....

    FEC47F17-ED75-4696-844E-9ECAF138DD74.jpeg 40F40667-7583-4DB6-AB36-FAABB37CA3AC.jpeg 891397FD-A39F-42B1-8368-0A9901922272.jpeg 40550574-EC6C-455B-8302-F50F850DFECA.jpeg 05C84E60-4541-4E11-A17B-AE942084E682.jpeg
     
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  18. old.hot.rodder
    Joined: Oct 13, 2012
    Posts: 226

    old.hot.rodder
    Member

    1959 was the first year of the traction bar in a Corvette.
     
    1934coupe likes this.
  19. bowie
    Joined: Jul 27, 2011
    Posts: 2,638

    bowie
    ALLIANCE MEMBER

    Mark, that would look awesome under there. Did you get it from Guffy or Roy?, it looks familiar...
     
  20. Moriarity
    Joined: Apr 11, 2001
    Posts: 21,016

    Moriarity
    SUPER MODERATOR
    Staff Member

    @Plowboy called me years ago from the bloomington corvette swap meet and said something like "hey do ya need a bunch of chrome stuff for your vette?" this rear, backing plates, spindles, door hinges, hood latches, motor mounts, driveshaft, steering linkage... the list goes on and on. It was affordabe so I said hell yeah and he got the stuff for me. I have used some of it on my car... I still have a large tub of stuff.....
     
    Last edited: Oct 1, 2020
    Corn Fed, bowie and lothiandon1940 like this.
  21. bowie
    Joined: Jul 27, 2011
    Posts: 2,638

    bowie
    ALLIANCE MEMBER

    Nuthn neater than old chrome!
     
    56don likes this.

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