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Hot Rods Model A axle --> (newer) 37-41 Spindles??

Discussion in 'The Hokey Ass Message Board' started by Rumble, Mar 1, 2009.

  1. Rumble
    Joined: Mar 18, 2004
    Posts: 25

    Rumble
    Member

    Hey all you knowledge heads... I'm trying to learn whether or not (newer) 37-41 Ford spindles can fit onto an (older) Model A axle. My goal is to run the newer RADAIR 12 spoke (gasser style) wheels up front and like this axle more than my current one since it has very little drop and is wider than mine... ANY info is GREATLY appreciated.

    Please feel free to email me what you can: chaun@sbcglobal.net

    Here's the I-Beam info and pic... THNX!!!

    The spindle end hole measures .815, the trailing arm mounting holes measure .685. The axle measures 52" long.
     

    Attached Files:

  2. brentthebarber
    Joined: Apr 8, 2008
    Posts: 265

    brentthebarber
    Member
    from San Diego

    yeah they'll fit, I had some newer ones on a 29 roadster I built with a similar axle.
     
  3. pasadenahotrod
    Joined: Feb 13, 2007
    Posts: 11,775

    pasadenahotrod
    Member
    from Texas

    Passenger car and pickup spindles break down into these groups:
    28-31 Model A
    32-34
    35-36, or 35-36early, 36late
    37-41
    42-47 Pickup, 42-48 Pass.

    Each of these spindles fits the Passenger Car and Pickup axles from 1928-48 on cars and 28-52 on pickups.

    The pre-37 spindles should probably be left to the restorers but if you must you must.
    The 37-41 round flange spindles are the most popular in the hotrod world.
    The 42-48 "square" flange spindles come in a close 2nd.

    Both of these groups of spindles accept the hydraulic brakes and hubs.

    Remember, alway use the kingpins which match your spindles, not the axle.
     
  4. doctorZ
    Joined: Apr 10, 2006
    Posts: 1,271

    doctorZ
    Member

    YUP! bolt up no problem. use the later kings pins too, which means that bearing is where it is supposed to be. not all goofy and on top!!!
    -drZ
     
  5. Rumble
    Joined: Mar 18, 2004
    Posts: 25

    Rumble
    Member

    THANKS a ton guys! Really helpful.
     
  6. so i just picked up a believe 52 mercury truck axle with backing plates and hubs. if i remember correct you can not use the spindles but can i use the hubs and brakes?
     
  7. If the Canadian Mercury is the same as an F1 you can use the hubs, drums and backing plates with a bearing kit from Speedway.

    You can not use the driver's side spindle. But you can use two passenger side spindles to make one set. To do this you must use aftermarket steering arms.
     
  8. PoPo
    Joined: Jan 3, 2008
    Posts: 1,102

    PoPo
    Member

    awesome post going through the same thing on my paper build of my A while im gathering parts. Thanks guys
     

  9. i thought you could only use up to 47 truck spindles, because of inclination angle
     

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