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55s steering collum ,Why are these wanted

Discussion in '40- & 55-Series Tech' started by 4BGaz, Jul 10, 2005.

  1. 4BGaz

    4BGaz

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    why are the 55s steering collum a wanted iteam for 45s,just got a 55s for wrecking
     
  2. bad_religion_au

    bad_religion_au

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    they have a slip joint on the steering shaft, so that they are easily mated to a power steering box, where as the 40 and 45 colums are solid mounted to the box
     
  3. Mark W

    Mark W

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    Actually only the early '40s are solidly connected to the box. But the later '40s have a rag joint, the flange of which is integral to the shaft. The '55 ends in a splined section for mating to the Toyota ujoint/intermediate shaft. It also has a bearing in the bottom end of the column (to locate and support the shaft). The '40 column does not have this and depends connection at the rag joint to locate the bottom end of the shaft.

    Sooo... for doing PS conversions, combining the '55 column with a '40 column results in a hybrid which bolts right in and is the perfect unit when adding an intermediate shaft.


    Mark...
     
  4. nuclearlemon

    nuclearlemon not an addict Moderator

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    the rag joint vs. u joints isn't the only big thing about the shafts...it's the fact that the 55 has a slip shaft
     
  5. mr_manny

    mr_manny

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    Other then using parts from a 55 column, is there another way to modify a 40 for MT upgrade?
    thanks,
    manny
     
  6. Mark W

    Mark W

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    Right. The use of the intermediate shaft (which can be lenghtened to work with a variety of setups) and of course the bearing in the end of the column is what make this a "good thing".


    Mark...
     
  7. Mark W

    Mark W

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    I guess I'm drawing a blank here... "MT upgrade"?


    Mark...
     
  8. nuclearlemon

    nuclearlemon not an addict Moderator

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    do you think he meant ps instead of mt.
     
  9. Texican

    Texican s-Moderator

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    I know it's no consolation, but, me too.... :confused:

    Butch
     
  10. Pighead

    Pighead Stop calling it an FJ SILVER Star

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    Mini Truck?

     
  11. krzyabncanuck

    krzyabncanuck USFS HOTSHOT GOLD Star

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    Mini truck power steering ?
     
  12. CruisinGA

    CruisinGA

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    to answer the question, yes.

    You can bolt a pillow block bearing on the firewall side of the steering column to axially locate the shaft.
     
  13. incogrhino

    incogrhino

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    I just built mine last week.The 55 colunm is like a inch and a half longer.I just took it to da chop saw and nipped it.Get one, it's easy.I had to swap turn signal switches so it would plug into my harness.That and I like my steering wheel better.
     
  14. mr_manny

    mr_manny

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    sorry guys, MT = Toyota Mini Truck PS upgrade...
    I understand we have a cruiser on this forum that sells brackets that accommodate a MT gearbox for fj40s.

    thanks for the info,
    manny
     
  15. Mark W

    Mark W

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    In that case there are no needs for any change. The minitruck box is a bolt in with the replacement pedestal. No need to change the column or naything else.


    Mark...
     
  16. Rocky_LC

    Rocky_LC

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    Replacement bearing part numbers for FJ-55 Shaft:

    Top:

    NOTE: THis is some kind of wacky hybrid bearing, with an 18.5 ID. The two bearing houses did not recognize the other part numbers, and told me I had to source this from Toyota.

    Toyota: 90363-18038
    Koyo: DG1938AC3
    NSK: B18Z-1B1C3


    Bottom:

    No problem with this bearing - I got the 6004ZZC3 bearing.

    Toyota: 97123-06004
    Koyo: 6004ZZC3
    NSK: 6004ZZC3


    Russian Bearing Cross Reference Spreadsheet... Search on OEM P/N

    http://www.avalux-motors.ru/files/K...ikov_i_podshipnikov_v_originalnye_nomera_.xls

    Rocky
     
    Last edited: Jan 30, 2010