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Doubler owners - whats involved in the build?

Discussion in 'The Garage' started by BorregoK5, Oct 22, 2002.

  1. BorregoK5

    BorregoK5 1/2 ton status

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    I'm about to pick up an np205/203 pair. Besides the adapter, whats involved internally? Are any of the internal parts completely custom or could they be collected outside the kit?
     
  2. Mr.Chevy4x4

    Mr.Chevy4x4 1/2 ton status

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    I believe the only custom parts are the output shaft for the 203 range box and the adapter. Other than that it is just a bearing, a seal, and some hardware. Assembly was fairly simple aside from the large internal snap ring. That thing was a little difficult to get in there.

    Hope this helped! /forums/images/graemlins/grin.gif

    Mike
     
  3. Burt4x4

    Burt4x4 3/4 ton status

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    Well the 203 must bolt to your tranny and the 205 must bolt to a TH400(same as the 205 side of the ORD adapter). /forums/images/graemlins/thumb.gif
     
  4. yunit

    yunit 1/2 ton status

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    You will need to replace the output shaft on the 203 range box; this is the hardest part of the doubler build. Have fun.
     
  5. bobsurf

    bobsurf 1/2 ton status

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    Harry's got his installed and ready to rock. He's also taking this week off of work. Cruise around the corner and take a look if you're home. I'm sure he could give you the lowdown on everything that's involved.
     
  6. TopOff

    TopOff 1/2 ton status

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    Most people will want ORD's shifters. I thought I could make the 205 and/or a 203 shifter work. Then looking at how close it all is, I figured it was worth it to buy ORD's shifter kit. Even the kit is REALLY close...

    Then again you are probably a much better fabricator than I.

    Good luck.
     
  7. BorregoK5

    BorregoK5 1/2 ton status

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    How does the np203 output shaft differ over stock?

    Is the adapter just that or does it also house a bearing or seal?

    I'm examining all options, looking to mate some 5-speed to a custom np-203/ np-205 doubler. Might buy ORD's or see about just buying some of the internals from them, if they will.
     
  8. yunit

    yunit 1/2 ton status

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    The shaft is a couple of inches shorter.

    The adapter hold's the shaft bearing and the shaft into place.
     
  9. RaisedK5

    RaisedK5 1/2 ton status

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    Silly Mike, you should have crawled under mine at the safari /forums/images/graemlins/grin.gif seriously if you wan tto come to the next meeting, you can check out mine, and i can make you a copy of the ord instructions if you want. its pretty simple really, but the adapter (doubler) does house a bearing and a seal, and i can't remember if they are off the shelf parts or not. Let me know, or maybe if your up my way you can stop by my work or something. See ya.
     

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