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Technical Model a torque tube upside down?

Discussion in 'Traditional Hot Rods' started by 49 fordge, Jan 13, 2019 at 5:05 PM.

  1. 49 fordge
    Joined: Nov 28, 2011
    Posts: 22

    49 fordge
    Member
    from Floral, Ar

    Think the torque tube on my model a is upside down.. the cut out for the speedo drive is on the top. Is this right? Why would it be turned over? It was this away when I got it. Should I turn it over?
     
  2. seb fontana
    Joined: Sep 1, 2005
    Posts: 5,588

    seb fontana
    Member
    from ct

  3. 49 fordge
    Joined: Nov 28, 2011
    Posts: 22

    49 fordge
    Member
    from Floral, Ar

    Thanks! This is my first car with an enclosed driveshaft. And I thought it was supposed to be on bottom.
     
  4. Hnstray
    Joined: Aug 23, 2009
    Posts: 9,862

    Hnstray
    ALLIANCE MEMBER
    from Quincy, IL

    It's an old used car dealers trick....turning it upside down runs the odometer in reverse...the miles keep lowering.....:D
     
    Last edited: Jan 13, 2019 at 8:32 PM
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  5. PhredH
    Joined: Feb 28, 2015
    Posts: 43

    PhredH

    Unless I am misunderstanding the original post, I would disagree with #2 post.
    On a stock Model A the cutout for the speedometer "turtle" faces the ground (as does the turtle) with the speedometer cable entering the turtle from the passenger side of the car. The rear radius rods also bolt to the front of the torque tube through a boss on the lower front of the tube.

    If the rear suspension has been modified, an upside down torque tube may not be important.

    HTH
    Peace, Phred
     
  6. woodiewagon46
    Joined: Mar 14, 2013
    Posts: 1,169

    woodiewagon46
    Member
    from New York

    PhredH, is correct. The cut out for the speedometer gear cap, sometimes called the "turtle" should be on the bottom. The speedometer cable exits the passenger side and routs up the inside right of the firewall thru the gas tank channel to the dash speedometer. If its facing up it's wrong. During Model A production there were seven different speedometer gear caps used. The front mounting point for your rear radius rods should be down for the radius rods to fit, that should be your first clue.
     
  7. choffman41
    Joined: Oct 30, 2012
    Posts: 2,091

    choffman41
    Member

    You're almost right Ray, but the proper way to do it is to remove the torque tube and swap it end for end.
     
    dwollam and Hnstray like this.

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