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Technical Dodge Truck Steering Box

Discussion in 'Traditional Hot Rods' started by Piewagn, Aug 2, 2019.

  1. Piewagn
    Joined: Mar 25, 2009
    Posts: 798

    Piewagn
    Member

    Anybody ever use one of these earlier Mopar manual steering boxes on their A build?? [​IMG]
     
  2. goldmountain
    Joined: Jun 12, 2016
    Posts: 1,463

    goldmountain

    I'm using one on my T coupe. Don't understand why no one else seems to have latched onto these. They have a Pittman arm that looks like a F-100 and a spline end that will work with practically any steering column and were available up to 1971. The only awkward part is that they take a larger tie rod end than the usual early Ford units but still take 11/16 NF thread. I think it is vastly overlooked.

    Sent from my SM-T350 using The H.A.M.B. mobile app
     
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  3. atch
    Joined: Sep 3, 2002
    Posts: 4,335

    atch
    Member

    Looks like a nice box.

    It looks to me like the rag joint would make these just about universal and make it easier to line up the shaft with the box. And a steering shaft/column like F-100 (early enough to NOT have a key in the column) that came from a floor shift truck would be easy to connect to this and look perfect with a shortened turn signal lever.

    Can we assume that rebuild parts would still be readily available for these? Or were they bulletproof since they came in trucks; therefore probably not needing to be rebuilt?
     
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  4. Piewagn
    Joined: Mar 25, 2009
    Posts: 798

    Piewagn
    Member

    I may give this a go....it looks low profile enough to not be in conflict with header. My other route would be the cowl steering set up....
     
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  5. earlymopar
    Joined: Feb 26, 2007
    Posts: 1,099

    earlymopar
    Member

    The only problem I saw (had) with this box in my Dodge pickup is the number of turns lock to lock which is typical of a truck box (a lot of turns) in order to make turning resistance with a load better. I changed this box out for a Toyota box with fewer turns.
    - EM
     
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  6. nobby
    Joined: Jan 8, 2006
    Posts: 410

    nobby
    Member

    hello,
    they are 22 to one ratio
    the helical worm is mopar only to the right - not the same as chevy Saginaw - left
    the pitmann arm points upwards - the other way to a 64 f100 = down
    the sector shaft is too short for a boxed frame
    they can be reversed. - so the 2 bolt holes point rearwards
    they basically have 525 Saginaw internals -although slightly different
    you could fit the input worm from an aluminum mopar box in them for a higher ratio - if you can find one...
    I don't think you can mix these with Saginaw 525 or fords mustang 68 manual boxes, the mesh isn't in the correct place.
    be carefull too as I think the input spline although 5/8 36 is specific to mopar
    they are 1 1/16 out - I think

    -------------------
    so theoretically
    using the core fitted with a 16-1 vette worm, 525 chevy splined sector
    the pitman points down but is still correct - push pull

    you could fit a pre 64 combined shaft find the screw on bearing housing end that takes a column - f-100 does not fit them
    the physical layout is real good for an open frame though

    I have a real good one in bits with the worm reversed if anyone in the uk wants it
    also have a 16-1 vette worm and a 525 splined sector
    oh and a complete c10 4wd manual box
    oh and a couple of rhd 37/8 steering boxes
    oh and a recon 900 series c10/20 4wd box
     
  7. Piewagn
    Joined: Mar 25, 2009
    Posts: 798

    Piewagn
    Member

    Excellent info!!
     
  8. goldmountain
    Joined: Jun 12, 2016
    Posts: 1,463

    goldmountain

    Don't really know anything about the specs of the box but here is a picture of mine. IMG_1077.JPG
     
  9. Piewagn
    Joined: Mar 25, 2009
    Posts: 798

    Piewagn
    Member

    What, if any mods did you have to do to fit it inside that rail??
     
  10. goldmountain
    Joined: Jun 12, 2016
    Posts: 1,463

    goldmountain

    I poked a hole or two. IMG_1334.JPG
     
    Frankie47 likes this.
  11. Piewagn
    Joined: Mar 25, 2009
    Posts: 798

    Piewagn
    Member

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