K100 power steering upgrade

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by cosullivan26, Sep 23, 2024.

  1. cosullivan26

    cosullivan26 Bobtail Member

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    Aug 25, 2024
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    Hello folks!
    In the process of restoring a 78 k100 and have come to upgrading the steering and wanted everyone’s opinion. Truck currently has a manual steering box and with tons of research I think I’ve figured out exactly what I need to purchase to make this a power steering truck.
    Steering box:
    Ross HFB64046
    Pump:
    Vickers V10f
    And figured I would just find whatever reservoir I can find. Just want to make sure I’m not missing anything before I start spending some money!
     
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  3. MRMTRANS

    MRMTRANS Medium Load Member

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    I would think you need to make sure any pump pushes enough oil. Or maybe change oil often enough. Don't forget to the gear has to mesh with gear(s) under front gear case.
     
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  4. cosullivan26

    cosullivan26 Bobtail Member

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    Yea that’s something I’ve yet to figure out so the gear ratio for the pump. It’s on the list of things
     
  5. SmallPackage

    SmallPackage Road Train Member

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    If the back of the engine oil pump does not have provision for the vickers like most of the old ones don’t you will have to mount the pump remotely on a bracket and run it with belt off of the accessory drive or fan hub. Many trucks that had ac compressors had the vickers mounted above fan hub and one belt from hub to pump. Bracket for pump had the belt adjustment provision. White Motors and Ford did that a lot back then because they had the oil filter screwed horizontally out the back of oil pump.
     
  6. cosullivan26

    cosullivan26 Bobtail Member

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    Aug 25, 2024
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    Now that you mention it I’ve seen a pic of someone with a Ford with a pump mounted the exact same way. Luckily I think I might be able to run the Vickers pump. I’m not 100% sure but it looks like there might be a plug on the back of the pump. Gonna have to stick my head in there to get a closer look.
     
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  7. W923

    W923 Road Train Member

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    I put a steering pump and reservoir off a 94 international with an n14 on my 1972 l9000 because I was tired of the belt maintenance on the ford belt drive setup and I think maybe the extra shives were in the way when I put the clutch fan on it. I can get some pictures tomorrow if I remember. This truck already had ps just a crappy pump and reservoir setup
     
  8. Star Rider

    Star Rider Road Train Member

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    Not sure what you are going to do with that truck, but you used to be able to add air assist, probably hard to find now. They were fun trying to back in a tight spot. :)
     
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  9. SmallPackage

    SmallPackage Road Train Member

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    There is still a company that makes air assist for vintage trucks. At least there was around 10 years ago. Lol. Can’t remember the name but they had the rights to reproduce the exact replacement for the ones Pete used on the old 352’s or anything that had an inboard manual Ross box. Reason I looked into it was my ‘73 352 has it and needs a cylinder rebuild. They offered rebuild kits but at the time it was high $$$$$ and the truck needs an engine first so I put it off.
     
  10. SmallPackage

    SmallPackage Road Train Member

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    upload_2024-9-23_23-8-32.jpeg upload_2024-9-23_23-8-32.jpeg
    here is the vickers set up on the 250 in my White 4000. The belt is off but you can see the groove in fan hub it goes to.
     
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  11. SmallPackage

    SmallPackage Road Train Member

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    upload_2024-9-23_23-17-30.png
    here is one on an early 350 in a ‘70 w900 we had years ago.
     

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