Budd/ hub pilot mixup

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by W923, Aug 3, 2022.

  1. spsauerland

    spsauerland Road Train Member

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    With prices of 22.5 x 8.25 wheels agreed, but with 24.5's it was cost effective. This conversion was on a center unload tank so height was critical.
     
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  3. jamespmack

    jamespmack Road Train Member

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    I guess. I could get you a pickup load by the end of the day of used wheels.
     
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  4. SmallPackage

    SmallPackage Road Train Member

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    Since the center bore and bolt circle are the same. The stud holes on the pilot wheels can have the tapered seats cut in them to work with the old pilot “Budd” system. Folks are doing it all the time to put new aluminum wheels on old trucks that did not have them originally.
     
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  5. Gambino1994

    Gambino1994 Light Load Member

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    I was going to add to that info because my 1995 is set up this way, would I be able to change out the studs to hub pilot studs to run hub pilot wheels and keep the current hub and brake drum?
     
  6. spsauerland

    spsauerland Road Train Member

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    No, need to change hubs and drums.
     
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  7. W923

    W923 Medium Load Member

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    If your wanting to change a 95 it’s pretty likely you can change the studs and nuts and keep the rest. If your hubs have the centering bosses on the hubs that will catch the pilot hole in the rim there are probably m22 studs out there that will fit
    EE6A32E4-502A-4CC2-89B4-B323991BD490.jpeg 1A1CE824-8C40-4BC1-A69E-C6B51CB48385.jpeg
    I have changed several truck tractors from the 90s with standard parts. But they must have supports like in the pictures or it won’t work
     
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  8. spsauerland

    spsauerland Road Train Member

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    Trouble is around here that they are usually corroded away at centering pads. Loaded con-met hubs are actually not bad price wise.
     
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  9. Gambino1994

    Gambino1994 Light Load Member

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    Yup my hubs have them smooth centering bosses on them. I only ask because a parts guy was unsure of my setup when I bought new drums, an old parts guy said my brake drum might work on either style wheel. I know the stud holes in my drums are quite a bit bigger than the budd studs in the hubs which makes me unsure about the drums being correct. Never had a problem in six years tho, but nobody touches my wheels/tires/brakes except me
     
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  10. W923

    W923 Medium Load Member

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    That sounds about right.
    The holes in the drums are typically pretty oversized even for hp studs. Some apear to possibly only be cast or punched and not drilled/machined. Anything goes with the chicoms.
    If you have the support bosses I would probably see how they fit a hp rim and if good knock out one stud to measure where it goes in the hub
     
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