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Ford 8" axle ID

Discussion in 'The Hokey Ass Message Board' started by Crafty, Aug 17, 2010.

  1. Crafty
    Joined: Jun 26, 2002
    Posts: 240

    Crafty
    Member
    from UK

    I've got an 8" axle here from (I think) a mustangII, I want to positively ID it, but annoyingly the data tag has been snapped off.

    Its 57" face to face.

    In the diff casing I see 5M17 cast in small letters and 19 in larger letters just to the right of that.
    Up near the yoke the I see "DW20 D" stamped and 315 cast in to it a couple of inches away.

    Did a search but all I find is data tag info.

    thanks!
     
  2. mustangsix
    Joined: Mar 7, 2005
    Posts: 1,297

    mustangsix
    Member

    Mustang II will be a 4 x 4.25" bolt pattern.
     
  3. Crafty
    Joined: Jun 26, 2002
    Posts: 240

    Crafty
    Member
    from UK

    Yeah it is 4 stud.

    It appears to be a LSD / posi or whatever ford called them, hence wanting to ID it for sure.
     
  4. johnnie
    Joined: Jan 7, 2009
    Posts: 493

    johnnie
    Member
    from indiana

    Those casting #s won't tell ya anything about what is inside. That is why it has a tag. Gotta get in there if the tag is gone! Pull the drivers side axle and look at the splines. Most of the time, you can see a line dividing the wear mark on the end of the axle if it is a Traction Lock.
    Broken spiders, and some other things, can make it lock up and appear to be a Traction Lock.
     

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