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Technical F1 Steering Box - 39 column

Discussion in 'Traditional Hot Rods' started by indomwe, Nov 19, 2016.

  1. Can a 39 steering shaft be pressed on to a F1 worm gear ?. I want to run a 39 column and banjo wheel with the taper/keyway, or is there an easier way to do this ??
  2. 51504bat
    Joined: May 22, 2010
    Posts: 3,392


    I've got a buddy with a F1 box and a banjo wheel in his AV8. I'll check with him and find out how he did it. If I remember correctly it was a fairly simple install.
  3. 51box
    Joined: Aug 31, 2005
    Posts: 1,029

    from MA

    I didn't even think to take the early box apart and compare the two. On mine I cut the 40 shaft about 10" down and welded it to the truck shaft.
  4. thirtytwo
    Joined: Dec 19, 2003
    Posts: 2,641


    It's the same worm gear , so yeah

  5. For my recent Model A build, I cut my F100 box's shaft and spliced on the top section of the shaft that fit my banjo wheel. I slipped a short piece of thick wall tube inside the two shafts and did rosette ends and butt welds to make it strong.
  6. Visionary pinstriping
    Joined: Aug 6, 2011
    Posts: 35

    Visionary pinstriping
    from amherst ny

    yes I have done it but in my case I wasn't sure what year my steering shaft came from it pressed on just fine however the car shaft was much longer than the f1 shaft so I ended up having to cut and re weld anyways.
  7. 51504bat
    Joined: May 22, 2010
    Posts: 3,392


    Checked with my buddy with the AV8. He did just like 51box and Russ B did.
  8. Andy
    Joined: Nov 17, 2002
    Posts: 4,844


    You can use the shaft and worm from the 39 box in the F1 box with no mods. The shaft from the 39 box also fits the F1 worm as it is the same worm.

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