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203 TO 205 SWAP

Discussion in 'OffRoad Design' started by mtnsun, Nov 29, 2002.

  1. mtnsun

    mtnsun Registered Member

    Oct 3, 2002
    Likes Received:
    Just asking a simple question... I want to change out my old np203 for a np205. I will be hooking it up to a T350 Trans. in my 77 GMC Jimmy. I have had several explinations and diffrent examples. I want to find out the right parts so I only do this once the right way.

    Thanks for the help,

    ~JJ /forums/images/graemlins/k5.gif
  2. chevyfumes

    chevyfumes Court jester

    Feb 24, 2000
    Likes Received:
    Watch for the muzzleflash!
    </font><blockquote><font class="small">In reply to:</font><hr />
    I want to find out the right parts so I only do this once the right way

    [/ QUOTE ] that dosen't sound like any fun... /forums/images/graemlins/rotfl.gif /forums/images/graemlins/tongue.gif, I think you've gotton about all the info you needed.. The right adapter for the right engine, slightly bigger hole for the stick, having to adjust the cross member and other mounts, and new drivelines... /forums/images/graemlins/thumb.gif
  3. Stephen

    Stephen 1/2 ton status Moderator Vendor

    Sep 15, 2000
    Likes Received:
    Carbondale Colorado
    You need a TH350 version NP205 complete with adapter housing, drive sleeve, and 27 spline input gear. If you have all this, it'll bolt right up. You will have to change the driveshafts but the crossmember has a real good chance of staying put, if not it won't move much.
    The best way to do this is buy the case with all the right parts together, if you don't, the adapter pieces alone make this a very expensive conversion. It runs about $550 or a bit more to buy it all new.

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