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  1. S

    What does this swap need?

    Am I able to swap the turbo 400 in my 86 K20 for a 700R4 in order to get some better gas mileage? What do I need for the swap? Will the drive shafts need modifications? Can I still use the 208 transfer case that is on the truck?
  2. S

    Turbo 400 swap questions

    Hi everyone! Thanks for letting me join this forum. I have a K20 with a bad turbo 400. I don't know exactly how bad it is yet but I did pick up a newer 400 out of an 88. Obvious problem is the newer tranny has the NP241 transfer case. Will the 208 t case off my old tranny bolt to the newer...

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