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Technical LHD and RHD front spindles. OZ RHD build.

Discussion in 'Traditional Hot Rods' started by pooch2, Apr 22, 2015.

  1. pooch2
    Joined: Jun 5, 2012
    Posts: 109

    pooch2
    Member
    from Australia

    Dumb me bought some so called 40 gear in a rush.

    Finds out the 40 front spindles are LHD

    Actually I don't even know if they are 40, is there any difference between 40 and later ?

    I at first thought they were junk to me here in OZ being RHD

    But, on studying, I figure I can chop off the second hole on the right side steering arm and it will be the same as a RHD right .

    Then I thought, is it possible to run a short drag link from a RHD steering box to the right side and then the long tie rod across to left ?

    I know the norm on RHD is to run a long drag link left , then a tie rod back to right .

    I was thinking about arc movement with the short drag link, but both pitman and steering arm move together , so what do you guys think ?

    Maybe bump steer is the only issue with a short side drag link ?
     
  2. mgtstumpy
    Joined: Jul 20, 2006
    Posts: 9,279

    mgtstumpy
    Member

  3. ratman
    Joined: Jun 15, 2006
    Posts: 423

    ratman
    Member

    Your idea will NOT work, These are available from So Cal and other suppliers and are an easy solution.
    Mount it as the tie rod end on the left hand side and run your drag link from your right hand mounted steering box across to it.
    They are called Double Eye tie rod ends and the Socal part number is 172-30001 untitled.png
     
  4. Avgas
    Joined: Dec 31, 2007
    Posts: 297

    Avgas
    Member

    Concerns me that you asked this question ! Mechanical reasoning tells me that it will not only not work but would be dangerous as well! The Left hand spindles are fine, you have Been given one option, there are others! If your side steering it doesn't matter, good luck Wayne
     
  5. Les Moran
    Joined: May 16, 2005
    Posts: 30

    Les Moran
    Member
    from australia


    Cut the steering arms off and use bolt on type , you will probably need the bolt on type if you are using a dropped axle anyway
     
  6. pooch2
    Joined: Jun 5, 2012
    Posts: 109

    pooch2
    Member
    from Australia

    Yes.. a socal 4 inch drop.

    Can you offer more info on the bolt on type ?

    The double eye tie rod looks good too.
     
  7. donga
    Joined: Nov 23, 2013
    Posts: 19

    donga
    Member

    aquire RHD drop arms may have to buy spildles too
     
  8. Asphalt Demon
    Joined: Jan 19, 2014
    Posts: 362

    Asphalt Demon
    Member
    from Australia

    With your knowledge, I,d call rod tech in s.a , they sell both the bolt on steering arms if you modify the u,s spindle and the above pictured tie rod. They are fairly priced .you can use your spindles with either method. And it is safe and legal Johnny
     
  9. acme30
    Joined: Jun 13, 2011
    Posts: 302

    acme30
    Member
    from Australia

    Another option if your rhd steering box is not already set up is to use push pull steering instead of cross steering.

    Google pete & jakes push pull steering and you should find a diagram easy enough
     
  10. joe.didio
    Joined: Oct 4, 2014
    Posts: 65

    joe.didio

    I you have a right hand 40 spindle with the drag link hole cut off and decide you can't use it, I can.
    Would be interested in getting it from you. PM me, thanks Joe.
     
  11. pooch2
    Joined: Jun 5, 2012
    Posts: 109

    pooch2
    Member
    from Australia


    [​IMG]

    I am a bit confused at this spring info.

    Both hints seem the same measure but at 5 and 3 inches ?

    I was thinking of getting the main leaf of a model A spring shortened and reverse eyed, will this work ?

    Fenderless hiboy re weight on spring .

    I have a socal 4 inch drop with 34 inch perch holes.

    Whether the measure is 5 or 3 inches shorter, is this with the spring pressed down to its normal ride height, or in its out of car no weight on it ?

    I have read that the ideal is hangers at 45 degrees when finished in car .

    Thanks for info as this is my first go at an I beam, my other 2 rods are independent.
     
  12. X38
    Joined: Feb 27, 2005
    Posts: 17,498

    X38
    Member

    This is good advice. They can supply all steering and suspension components, including the spring. They make the stuff, they are not resellers.
     
  13. nobby
    Joined: Jan 8, 2006
    Posts: 1,358

    nobby
    Member

    http://www.ebay.co.uk/itm/SO-CAL-GT...D-1937-1948-/261060546764?hash=item3cc86bd0cc
    being able to buy them on ebay!!!

    note they bolt through, and are not a blind bolt, IF - I think you are running drum brakes, you need the 1/2 nuts? that are 1/2unf
    you simply buy some din 912 bolts - socket head cap

    superbell do a rhd steering arm

    also, be wary IF you buy a vega clone rhd steering box, as the 'normal' 5/8ths 36 spline
    universal joints are loose on the splines and not an interference fit.
    take note - don't think you have a mopar 5/8ths 36 joint and THEN go and buy another one!!!
    you can however get 9/16 36 spline joints and get your needle files out.

    the other confusing thing is the steering box and its 'sector'
    at dead ahead - the steering boxes arc'd tooth/gear is at its highest/tightest.
    you will be fitting the box to the rail at an angle - at dead ahead, with regards the 'sector'
    and pitmann arm placement - to the front crossmember,
    OEM steering boxes have a missing spline -that only let you fit it in one spot.
    the repop vega does not
    when looking down at your rhd vega box, your rail is at 'for example' 10 degrees from the front crossmember,
    IF when you find the middle of the steering boxes travel, you place the pitmann arm straight ahead in the middle of the sector, you cannot 'simply' just straighten it up so its at 90 degrees to the front crossmember as the sector is now not in the middle.
    you have to place the pitmann arm one spline clockwise.
    the sector/steering box gets looser I would imaging to aid self centering?
    so whatever you do - don't do what I did and windy gun it up in the wrong place!! as they are a right pita to get off again, they are wedge mated.
     
    Last edited: May 10, 2015
  14. pooch2
    Joined: Jun 5, 2012
    Posts: 109

    pooch2
    Member
    from Australia

    Thanks Nobby.

    I think I am going a traditional HQ holden box as is used here in OZ generally, and a double eyed tie rod .
     
  15. nobby
    Joined: Jan 8, 2006
    Posts: 1,358

    nobby
    Member

    the double eye is a jeep part
     
    Last edited: May 11, 2015
  16. Sorry HQ steering boxes are NOT Traditional.
    But if your building a street rod and want to run cross steer I suggest that you cut off the steering arms and buy some bolt on steering arms as the others have suggested. The LHD double eyed tie rod end will not work in a RHD situation as the taper would be on the wrong side.
     
  17. pooch2
    Joined: Jun 5, 2012
    Posts: 109

    pooch2
    Member
    from Australia

    The double eyes I have seen are doubled tapered in from each side.
     

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