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Steering knuckle ID?

Discussion in '40- & 55-Series Tech' started by Eskimo, Jan 5, 2003.

  1. Eskimo

    Eskimo SILVER Star

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    I searched here and on the PBB, couldn't find what I'm looking for.

    The P/O of my junk did the disc conversion on my front axle, and I'm kinda wondering which knuckles I have. Any easy way to ID them? bolt spacing on the steering arm or something?

    I have the vented discs BTW.
     
  2. Radd Cruisers

    Radd Cruisers

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    Good question, I will give it a uneducated guess. On the older than 1979 knuckes I think the felt and gasket kits are smaller. If you had someone do a upgrade most likely it came off a mini truck which has identical swivels, there might be a different part number on the back of the steering knuckle. You could call toyota with this number and they should be able to tell you what it came off.
    Also on the older non disc units the spacing was tighter on the steering knuckle arm and knuckle itself. As for the birfields, I think Woody has a post showing four different generation units.
    Rob
     
  3. woody

    woody Internet Fireman Staff Member

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    Really, the only way to tell knuckles is with the bolt-spacing of the steering arms....all the other junk could change but wouldn't effect the knuckles, and seals/felts/etc are all the same.

    If someone has a known-year knuckle handy either 76-78 FJ40 or 79+ FJ40/minitruck/FJ60/FJ62, they could measure the spacing and you could compare.....

    anyone??
     
  4. onesprung60

    onesprung60

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    79' and later knuckle bolt spacing is 30 mm X 55 mm
    Just measured off my new high steer arms 8)
     
  5. Eskimo

    Eskimo SILVER Star

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    I can't seem to find my metric ruler anywhere..

    I thought 30mm = nearly 1"??

    Where are you measuring from... center of bolt holes, or the edges?

    Thanks.
     
  6. onesprung60

    onesprung60

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    That measurment is bolt center to bolt center
    and 30 mm is equal to exactly 1.180 inches