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Technical Ford Steering Boxes

Discussion in 'The Hokey Ass Message Board' started by Voh, Jan 29, 2024.

  1. Voh
    Joined: Oct 18, 2006
    Posts: 1,060

    Voh
    Member

    I know that the 1947 Ford Panel truck shares the design as the 1937-1940 car box. Both the car and the the 1942-1947 Ford truck boxes indicate a 3575 sector shaft. Can someone please confirm if either of these would in fact fit (81-T3575x or 01T-3575x)? What is the official "3575" part number I need to be looking for?

    upload_2024-1-29_11-13-52.png

    upload_2024-1-29_11-14-16.png
     
  2. 31Apickup
    Joined: Nov 8, 2005
    Posts: 3,585

    31Apickup
    Member

    They are both for 134”-158”-194” wheelbase trucks except COE. The 134” wheelbase is 1.5 ton truck. This is based on Ford chassis parts and price book. I know the trucks have a larger diameter steering shaft.
     
  3. Voh
    Joined: Oct 18, 2006
    Posts: 1,060

    Voh
    Member

    Thank you 31Apickup!
    So these would not work? I got 1/2 way thru rebuilding my box this weekend, and cant get my sector gear back in to the box with the new bushings. My sector has some pitting right below the pitman spline, so i don't know if that is the issue or if the new bushings are the issue. Started looking and found these couple sectors.
     
  4. I made the mistake of buying a nos sector because the price was real cheap.It was for the larger truck,and was 15 percent larger than the half ton/car.Theres a reason that nos stuff is still around....it doesnt fit anything car guys are interested in.
     
    lostone and sidevalve8ba like this.
  5. Doublepumper
    Joined: Jun 26, 2016
    Posts: 1,734

    Doublepumper
    Member
    from WA-OR, USA

    Sector shaft bushings need to be sized after being pressed in.
     
    bct, RMR&C, Unkl Ian and 1 other person like this.
  6. Voh
    Joined: Oct 18, 2006
    Posts: 1,060

    Voh
    Member

    That was my thought, but got excited with the cheap NOS parts. Where do I find the needed dimensions on those bushings?
     
  7. alchemy
    Joined: Sep 27, 2002
    Posts: 22,287

    alchemy
    Member

    The machine shop should hone them to fit the particular sector you will use. And tell them that it should be looser than a hand press fit. Need a little room in there for the grease too.

    Why don’t you show us the sector you have? If it doesn’t have grooves worn in it, maybe the rust pits aren’t bad enough to require replacing. Is the rust cleaned off now? Is the roller in good shape?
     
    Truckdoctor Andy likes this.
  8. Voh
    Joined: Oct 18, 2006
    Posts: 1,060

    Voh
    Member

    Im going to. I wasn't able to get into the new bushings. thought the dirty end was the issue. Didn't think about reaming them out.
     
  9. Voh
    Joined: Oct 18, 2006
    Posts: 1,060

    Voh
    Member

  10. alchemy
    Joined: Sep 27, 2002
    Posts: 22,287

    alchemy
    Member

    Too dirty to see what’s going on there. If there are pits on the roller you would need to replace that at the least. But if there are grooves where the bushings rode, it’s garbage.
     
  11. Doublepumper
    Joined: Jun 26, 2016
    Posts: 1,734

    Doublepumper
    Member
    from WA-OR, USA

    If the shaft is otherwise usable, the pits can be filled with J-B Weld and sanded smooth. If you use something like corn head grease for lube, the seal will work just fine.
     
  12. tim troutman
    Joined: Aug 6, 2012
    Posts: 1,239

    tim troutman
    Member

    I had a nice 1951 F1 sector shaft & roller I put it in my 40 box it was the same even though 1 is side steer & the other was cross steer
     
  13. tim troutman
    Joined: Aug 6, 2012
    Posts: 1,239

    tim troutman
    Member

    this box was in my in my roadster I believe it was a 42-47 bigger truck box. it had a welded pitman arm on it never broke just didn't trust it. when I replaced it I found the sector shaft & steering shaft was bigger than standard car or light truck .it drove & steered well [​IMG]
     
  14. tim troutman
    Joined: Aug 6, 2012
    Posts: 1,239

    tim troutman
    Member

    a 68-72 A body speedway #910-32560 pitman arm fit. had to file master splines to position, ream tie rod hole heat and bend to clear wish bone [​IMG]
     
    irishsteve likes this.
  15. alchemy
    Joined: Sep 27, 2002
    Posts: 22,287

    alchemy
    Member

    All the sectors from passenger and light pickups from 37 to 48, and also F1’s to 52 are the same part and will interchange. Gives a large pool to fish from.
     

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