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anyone know correct size to ream kingpin bushing

Discussion in 'The Hokey Ass Message Board' started by hoggyrubber, Jun 25, 2013.

  1. hoggyrubber
    Joined: Aug 30, 2008
    Posts: 572

    hoggyrubber
    Member

    i have been unable to find kingpin bushings for my 30 hudson front axle so i am making some on my lathe. the first one took me about 3 hours! my real question is what size should i ream the bushing to? my pin is 0.8025 if i remember. thanks
     
  2. Atwater Mike
    Joined: May 31, 2002
    Posts: 11,618

    Atwater Mike
    Member

    King pin clearance should be .001"-.0015"; (one thousandth to one-and-a-half)

    My years in the frame & wheel trade demonstrated one thousandth, period.
    Feel a little tight when first driving, but a re-lube of zerks after 50-100 miles and it is excellent.

    I don't like the 'greater' spec: In a few hundred miles, they are looser than new bushings should be.

    A local machinist honed some for me on his Sunnen machine. I told him my recommended specs, but he 'knew better'...I then replaced my NEW WORN OUT ones with another set.
    Reamed them myself with a Ford reamer.
     
  3. oj
    Joined: Jul 27, 2008
    Posts: 6,575

    oj
    Member

    Just to sure, the bushings are on a spindle, the axle don't get bushed it is reamed to finshed size.
    I am bringing this up to be on the 'safe' side.
     
  4. seb fontana
    Joined: Sep 1, 2005
    Posts: 9,083

    seb fontana
    Member
    from ct

    Now I agree with the .001/.0015 tolerance and it is best done with a hone but a reamer will work..Mine are done that way but I have a bitch of a time getting grease in, pressure is so great that I have to turn the spindle to relieve the pressure to get the grease gun off of the zirk and very little comes out around bushings, thrust bearing..And the fittings are good, the holes line up..Just say'in...Check E bay?
     
    Last edited: Jun 25, 2013
  5. hoggyrubber
    Joined: Aug 30, 2008
    Posts: 572

    hoggyrubber
    Member

    thank you all three. i'm sorry, the reason i said "for a 30 hudson axle" is that's not the car it's going on. i am using this axle under my '27 essex. i already have the spindles off and bushings and pin out. i have cut these spindles down to accept latter hudson wheel bearings/ hubs and adapted the latter hornet backing plate. i am going to get a 0.804" reamer. i checked ebay and couldn't find any 59/64" od bushings.
     

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