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th350 to th400 swap

Discussion in 'The Garage' started by GRAYTEXK5, Apr 8, 2004.

  1. GRAYTEXK5

    GRAYTEXK5 1/2 ton status

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    I did a search on this, but just came up with an endless list of everything but what I am looking for. I currently have a th350/np203 combo, and I am getting a th400/np203, with the adapter and everything, to swap in. I am just wondering if all the linkage and everything is the same, and can I use the same crossmember, or if there are any other minor details I'll need to deal with when I do the swap? I'm trying to get all the parts I need together ahead of time. thanks /forums/images/graemlins/1zhelp.gif
     
  2. dhdescender

    dhdescender 1/2 ton status

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    X member is the same.

    I'll let somone else with more knowledge of TH350's finish that off...
     
  3. SCOOBYDANNN

    SCOOBYDANNN 1/2 ton status

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    everything is pretty much the same---worse comes to worse you "might" and that is a big might have to drill some new holes for the crossmember, but i seriously doubt it. linkages, tranny mounts, bolts, evenn the torque converter is the same.
     
  4. GRAYTEXK5

    GRAYTEXK5 1/2 ton status

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    ok, sounds good to me. I didn't know if I would get that lucky or not, but I was hoping. thanks.
     

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