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Ford 9" rear end tag identification

Discussion in 'The Hokey Ass Message Board' started by BrownCow1992, Jan 15, 2014.

  1. BrownCow1992
    Joined: Jan 3, 2013
    Posts: 95

    BrownCow1992
    Member
    from joliet il

    Alright I have a 1963 unibody and I have what I beleive is the tag from the original axle on the truck. I hope someone can help me Im trying to figure out what spline the pinion is whether it's 28 or 31 need help I.d. the tag it reads

    WDC-CA4 1MG
    2.75 9 116A

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  2. BrownCow1992
    Joined: Jan 3, 2013
    Posts: 95

    BrownCow1992
    Member
    from joliet il

    1MB not 1MG

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  3. 270dodge
    Joined: Feb 11, 2012
    Posts: 742

    270dodge
    Member
    from Ohio

    WCD- CA4 indicates a 67-70 28 spline.
     
  4. 270dodge
    Joined: Feb 11, 2012
    Posts: 742

    270dodge
    Member
    from Ohio

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  5. squirrel
    Joined: Sep 23, 2004
    Posts: 45,696

    squirrel
    Member

    someone swapped gears, if it has those 2.75s in it. Not what you'd find in a truck back then.
     
  6. BrownCow1992
    Joined: Jan 3, 2013
    Posts: 95

    BrownCow1992
    Member
    from joliet il

    I havent taken the rear end apart im having a friend do it but I have to order parts for it but your thinking that's not a gearing for a u nibody that had a 223 in it?

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  7. Scumdog
    Joined: Mar 3, 2010
    Posts: 620

    Scumdog
    Member

    A 223 6 with 2.75 gears?

    It wouldn't even be able to get out of its own way, it would be seriously s-l-o-w...
     
  8. squirrel
    Joined: Sep 23, 2004
    Posts: 45,696

    squirrel
    Member

    if you can get a few pics of the rearend it might help ID it. The tag may or may not be helpful....could be that someone swapped a later model center section into the original housing, or maybe they swapped the whole rearend. There are subtle visual differences, some guys can spot right away what you have just by looking at it. They're mostly guys who worked in junkyards years ago....

    also when buying parts for Ford 9" rearends, it's usually a good idea to get replacement parts that match what you have, rather than trying to get them based on what year/model the rearend is. Although you kinda have to know what years/models used what parts...since modern parts stores are based on computers that go by year/model.
     

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