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T-case to TH-400

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by Jason73K5, Jun 11, 2001.

  1. Jason73K5

    Jason73K5 1/2 ton status

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    I'm going to go with the NP-203 / TH-400 setup on my truck, it will end up being much easier than putting in the 241. I have a newer TH-400 bolted up to the 241. Will I be able to swap the 203 onto the newer transmission without much trouble? Is it just a matter of changing adapters?

    Thanks for the help!
     
  2. Ryeguy

    Ryeguy 1/2 ton status

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    *should* I thought there was only one verison of the 4wd TH400 output shaft, but there may be two. If it doesn't go, it'll be pretty obvious what needs to be be changed to make it go.

    --Rob
     
  3. Brian 89KBlazer

    Brian 89KBlazer 1/2 ton status

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    What model year is the tranny from? Yes, you SHOULD swap in the 203 & send me the adapter & shaft, etc to bolt the 241 to the TH400 so I can use my NP241 with the new TH400 I'm getting!![​IMG][​IMG]

    Brian
    89KBlazer
     
  4. Jason73K5

    Jason73K5 1/2 ton status

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    One is a '90 and the other is supposed to be a '77. Sorry Brian, I can't help you out with the adapter. All of my "extra" parts are going to go into my '66 Wagoneer. Now if you want a T-90/Dana 20 combo, thats another story.
     

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