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Steering box year break?

Discussion in 'The Garage' started by 90blzr, Dec 8, 2003.

  1. 90blzr

    90blzr 1/2 ton status

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    What are the year breaks for the steering boxes? I know there are the early style and later...something about one using o-rings...I cant remember exactly though. /forums/images/graemlins/crazy.gif
     
  2. pauly383

    pauly383 Daddy383 Staff Member Moderator

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    I think the break happened in the 80's but I am not sure sure. My 83 has an older style in it and it's original.
     
  3. R72K5

    R72K5 Banned

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    68-79 and then 80-up

    and only because of the line fittings which is no big deal

    68-79 are normal 3/8 flare and then 80-up are crappy O-ring fittings style
     
  4. 90blzr

    90blzr 1/2 ton status

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    So then for a 1976 K5 we need to find one from 68-79 with power steering? Cool, thats what I needed to know/forums/images/graemlins/thumb.gif
     
  5. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    could you just change the fittings?
     
  6. R72K5

    R72K5 Banned

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    if you swap the fitting in back of the pump then you can use whichever hoses that have to be used with whatever year of box
     
  7. 90blzr

    90blzr 1/2 ton status

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    So if I find a gear box from a, hmmm...lets say '91 /forums/images/graemlins/smirk.gif K5, it would work if we got the fittings/lines off of the pump of the 91 also? Then just swap the gear box into the 76 and replace the fittings on the 76 pump and hook up the 1991 lines?
     
  8. K1Orion

    K1Orion 1/2 ton status

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    My 80 has O-ring hoses. My 79 had no O-rings.
     
  9. WakeBoard&4X4er

    WakeBoard&4X4er 1/2 ton status

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    sounds like it will work! /forums/images/graemlins/wink.gif
     
  10. m j

    m j 1/2 ton status

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    76/77 they changed the input spline size on the box
    so if you wish to retain your steering column(or just the shaft portion perhaps) you need 76 or older
     
  11. R72K5

    R72K5 Banned

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    jsut make sure you buy box with rag joint intact then, i have swapped rag joint from like 81 ps to 68 manual and other swaps and never run across different size input, but yeah there is a another diameter of input shaft, but ive never had it happen to me in all the box swaps ive done over the years, ive donr swaps on 68, 71, 76, 78, 82 trucks so far that i know of, either swpaping one p/s for another or p/s to manual, or manual to p/s and the manual being 63-72 one.

    good luck

    ,
     

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