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200 R4 input shaft swap

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  • 200 R4 input shaft swap

    I'll try and make this short. I've rebuilt everything on a car except an auto trans so do you think swapping in a hardened input shaft on a 200R4 is something I can do?

  • #2
    once you get the pump out ..there you are
    give it a shot

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    • #3
      Thanks spidey.

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      • #4
        hard to relate the lovely time you can have inside of automatic transmissions

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        • #5
          evil wicked stinky slimey hand slicing patience killing aluminum boxes from Hell!
          Reading , Pa
          Good Guys rodders rep.
          "putting the seat down is women's work" Archie Bunker.
          Ban low performance drivers not high performance cars .

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          • #6
            Originally posted by msc66 View Post
            I'll try and make this short. I've rebuilt everything on a car except an auto trans so do you think swapping in a hardened input shaft on a 200R4 is something I can do?
            Hey there,

            Do you already have a good forward drum/intermediate shaft in the trans? Are you doing the input shaft for insurance or did you hurt the stock one?

            Just curious.

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            • #7
              From a thread he has going in another forum:

              Thanks, I had the trans built last year but never put it in the car. I'm trying to find the receipt to see what all he did but I remember that he didn't put a hardened or billet shaft in as he didn't think I needed it but with 450 hp and 523 torque I think I do.
              I believe he is just changing it out to be safe.
              Escaped on a technicality.

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              • #8
                Was just being safe but do you think I need it for my application? Looks like a lot more work than I thought.

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                • #9
                  It's one of the easiest hard parts to change, but probably really not necessary at the power level. I ran in the tens on spray for years with a stock input shaft. I would also hate to see you disturb a fresh build. Better to just run it as is, especially since the tranny is an unproven piece. Tough to go back to the builder with a problem when you have had it apart for upgrades.

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                  • #10
                    Good advice Brian, thanks. I already pulled the pump out so I guess I should get a new gasket for that huh?

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                    • #11
                      Cheap insurance but it will probably be fine. If your not pressed for time, it's worth the three bucks to have a fresh one.

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