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Is this a 9 inch?

Discussion in 'The Hokey Ass Message Board' started by maddog, Jun 2, 2010.

  1. Von Rigg Fink
    Joined: Jun 11, 2007
    Posts: 13,418

    Von Rigg Fink
    Member
    from Garage

    yep.,.missed that
     
  2. My 56 Fairlane had a 9 3/8" rear end in it and it was 28 spline with 5 3/4" bolt pattern. i was told it came out of a 77 LTD, which makes sense since the front clip was 77 LTD
     
  3. Francisco Plumbero
    Joined: May 6, 2010
    Posts: 2,533

    Francisco Plumbero
    Member
    from il.

    Before the 9" and the horse power wars, the Olds was a respectable rear end, then along came torque and all that was undone.
     
  4. I think you got that backward.
     
  5. On a 8" you can take all the nuts off to pull the pig out with a socket on a 9" you CAN'T.

    Jim

    NO, he got that right
     
  6. unibody
    Joined: Nov 15, 2006
    Posts: 122

    unibody
    Member

    Looks like an early Olds to me.
     
  7. 1rustyhighcab
    Joined: Mar 22, 2008
    Posts: 118

    1rustyhighcab
    Member

    that looks like a 50's chevy pickup frame. if its a 55 first series, it could be stock

    on second look though it looks like it's five lug, It looks just like a 55 chevy car axle
     
    Last edited: Jun 4, 2010
  8. IIRC, stock Chevy axles from that era had a removable third member AND a rear cover plate...
     
  9. turdchazer
    Joined: Dec 4, 2008
    Posts: 644

    turdchazer
    Member Emeritus
    from Spokane

  10. No, he totally has it straight.
     
  11. 56oldsDarrin
    Joined: May 9, 2009
    Posts: 396

    56oldsDarrin
    Member

    not quite true, they just quit making them, and went with a corporate rear end.
    They ran the 57-64 rear ends in fuel cars, as late as the 70's.
    stock to stock, they are at least as strong as a 9 inch, just no parts availability.
     
  12. Truckedup
    Joined: Jul 25, 2006
    Posts: 4,661

    Truckedup
    Member

    Looks like late 30's -40's Chevy truck frame,modified 58 Chevy rear axle.
     
  13. Happy Hooker
    Joined: Sep 16, 2009
    Posts: 39

    Happy Hooker
    Member
    from Wyoming

    I thought lincoln quit using the Dana 53 at the end of 1962.

    The only thing I have seen the 9 3/8 used in was a lincoln, But a 9 inch third member will bolt right up to the same houseing no problem. Pretty sure all 9 3/8 were 31 spline as well?
     
  14. HOT40ROD
    Joined: Jun 16, 2006
    Posts: 961

    HOT40ROD
    Member
    from Easton, Pa

    The ford 9 3/8 Rears came in some 1966 - 70 Fords, Merc, and Lincoln. They were all 31 splice axle. Gear ratios were 2:80, 3:00, 3:25 and 3:50.

    The house was the same as the 9 inches and only difference was the the mounting flange was notched out right of center on both the top and bottom so that the rear would clear the housing.

    9 inch will slip right in a 9 3/8 housing . but you would need to notch the 9 inch housing for the 9 3/8 center.

    The housing set on end is a 9 inch. The other one the horses is the 9 3/8 housing.
     

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  15. maddog
    Joined: Sep 3, 2006
    Posts: 695

    maddog
    Member
    from So Cal

    The seller finally sent more pictures.

    I expect a positive I.D. now.:)

    Thanks again for all the input.
     

    Attached Files:

  16. chop32
    Joined: Oct 13, 2002
    Posts: 1,077

    chop32
    Member

    Judging by the bolts attaching the 3rd member (instead of studs with nuts), the flat pinion yoke and the way the e-brake cables attach to the backing plates, Id say you have one of the smaller pre '57 Olds rear ends. Looks just like the one I have laying in my yard.
     
    Last edited: Jun 18, 2010
  17. jerry
    Joined: Mar 2, 2001
    Posts: 3,469

    jerry
    Member

    +1 on the Olds ID. I've still got a couple of them around here.


    jerry
     
  18. DualQuad55
    Joined: Mar 5, 2005
    Posts: 1,382

    DualQuad55
    Member
    from NH

    Not early olds, the big rib on the left side would indicate later olds perhaps 57-59 or so. don't remember the exact years there.
     
    Last edited: Jun 21, 2010
  19. chop32
    Joined: Oct 13, 2002
    Posts: 1,077

    chop32
    Member

    It would help to know the diameter of the bolt circle. '57-'64 Olds is 13" dbc, whereas the earlier rears are smaller. I can post the diameter later unless someone beats me to it.
     
  20. chop32
    Joined: Oct 13, 2002
    Posts: 1,077

    chop32
    Member

    My early Olds (pre '57) has the big rib, my '57-'64 has a smaller rib on the left side.

    Well I blew that one...the pumpkin bolt circle on a '57-'64 Olds is 11".
    As far as I could see thru the weeds, the pre '57 Olds rear bolt circle is between 9" and 10".
     

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