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Technical Full floating axle on a hotrod ?

Discussion in 'Traditional Hot Rods' started by mercjoe, Mar 30, 2025.

  1. mercjoe
    Joined: Aug 17, 2006
    Posts: 1,405

    mercjoe
    Member

    Hello eveyone.

    So, I have a full floating freshly built axle I scored a while ago.
    It is not even close to being a traditional axle from the start since its a Dana.
    But how off would it be to install it on my car besides the brand ?
    I mean, has anyone ever seen any hotrods coupes or roadsters with full floating axles ?

    Thanks for any help
     
    Last edited: Mar 30, 2025
  2. 1biggun
    Joined: Nov 13, 2019
    Posts: 733

    1biggun

    Some were in the model A thread there is car with wide 5 wheels and what a appears to be a floater rear.

    I have a 57 Olds type rearend here that's got floating axles .
    I suspect was in a circle track car.
    I have seen some old drag cars that had a floater .
     
    dana barlow, mercjoe and seb fontana like this.
  3. Dana rears been around a long time. My 51 still has its Dana 44.
    Round track guys been running full float since about a week after full floats hit the junk yard
     
  4. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,209

    gimpyshotrods
    ALLIANCE MEMBER

    My Model A has a full-float rear axle.
     
    427 sleeper, mercjoe and alanp561 like this.
  5. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,209

    gimpyshotrods
    ALLIANCE MEMBER

    If you think about how the rear hubs mount on a Ford banjo axle....
     
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  6. mercjoe
    Joined: Aug 17, 2006
    Posts: 1,405

    mercjoe
    Member

    Great to know. Mine is a 44 as well

     
    anthony myrick likes this.
  7. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,209

    gimpyshotrods
    ALLIANCE MEMBER

    A full-float Dana 44?

    What's that out of?
     
  8. mercjoe
    Joined: Aug 17, 2006
    Posts: 1,405

    mercjoe
    Member

    Dana44 has been used on many cars here in the 70s, but none were factory full-float. It was converted at some point

     
  9. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,209

    gimpyshotrods
    ALLIANCE MEMBER

    It's a great axle. Well supported to this day in the aftermarket.

    I ran an off-highway vehicle Dana 44HD (2.75" OD, 1/2" wall tubes) in the front of an offroad truck for over a decade. Zero issues.
     
  10. mercjoe
    Joined: Aug 17, 2006
    Posts: 1,405

    mercjoe
    Member

    Yeah, they are good. Ive just never seen one on a hotrod. Just wondering if mine is going to be the only one, even rarer being full-float :)

     
  11. 1952henry
    Joined: Jan 8, 2006
    Posts: 1,506

    1952henry
    Member

    I would like to see pictures of that, please. I think there was, or is, a kit for lock out hubs on the rear axle for Willys Jeeps, which basically made the axle a full-floater. The later CJ3As had Dana 44s.
     
  12. 1biggun
    Joined: Nov 13, 2019
    Posts: 733

    1biggun

    .00000000000000000000000000000000FB_IMG_1742571657629.jpg The A I saw in the thread today .

    I copied it to my computer because it had a Hemi in a channeled A like I want to do ( 31 PU ) and it had a really cool industrial / gasser look to it with the floating rear end .

    I have seen 8 lug magnesium rims before that made me think it was on a floater in a dragster or other drag car
     
    Last edited: Mar 30, 2025
  13. 1biggun
    Joined: Nov 13, 2019
    Posts: 733

    1biggun

    I know there was a kit that let you looked like lock out hubs that were for the rear so guys could flat tow there old Willys jeeps . A neighbor had them on his years ago
     
    mercjoe likes this.
  14. ididntdoit1960
    Joined: Dec 13, 2011
    Posts: 1,148

    ididntdoit1960
    Member
    from Western MA

    I had a Prefect drag car with a full float d60 out of an old dump truck - guys used them because they were easy to narrow - they cut the flange off the axle shaft, bored it out and welded it back together at the length they needed - couldn't do this with a semi float
     
    Last edited: Mar 31, 2025
    mercjoe likes this.
  15. jimmy six
    Joined: Mar 21, 2006
    Posts: 16,383

    jimmy six
    ALLIANCE MEMBER

    After having one in a dirt race car I would put one in any car I was building.
     
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  16. mercjoe
    Joined: Aug 17, 2006
    Posts: 1,405

    mercjoe
    Member

    Awesome. Thanks for that one.
    And here is mine

    20240827_095902~2.jpg

     
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  17. mohr hp
    Joined: Nov 18, 2009
    Posts: 1,326

    mohr hp
    Member
    from Georgia

    IMG_4288.png Grasso and Mills Willys drag car from Nebraska. It had a full floater truck axle until it got pro streeted in the late 80's.
     
    Last edited: Mar 31, 2025
    mercjoe likes this.
  18. Well, I'd say "kind of" . . . when you break an axle in our early Ford rear ends, the hub/wheel does "float" . . . right off of the rear end! LOL.

    On what I'd call a true full-floater, you can break an axle and the hub stays where it is supposed to. ;)
     
  19. dirt car
    Joined: Jun 26, 2010
    Posts: 1,438

    dirt car
    Member
    from nebraska

    I've a 42 Ford 3/4 ton rear in my avatar, also added 37 tube front axle with skeleton back plates, 2-1/2 " wide 5 safety hubs & finned drums.
     
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  20. DDDenny
    Joined: Feb 6, 2015
    Posts: 21,132

    DDDenny
    Member
    from oregon

    Fairly common in the 60's.
    upload_2025-3-31_10-3-12.jpeg
     
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  21. gimpyshotrods
    Joined: May 20, 2009
    Posts: 24,209

    gimpyshotrods
    ALLIANCE MEMBER

    Nope.

    My Model A has a Winters quick change, with Grand Nation snouts, and hubs.
     

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