turbo 400 to dana 300

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  • jeepinjohn
    232 I6
    • Jul 10, 2005
    • 31

    turbo 400 to dana 300

    Is there a way to adapt a dana 300 onto the factory turbo 400 trans to replace the quadratrac in a 1974 Jeep wagoneer?
    1977 cherokee<br />rusty and in need of resto
  • cmelo
    258 I6
    • Feb 08, 2008
    • 472

    #2
    Th400 np208 output shaft and adapter swapped to yours.
    79' J10 360/T18/D20- Locked & bobbed on 35s

    Comment

    • Sambo
      AMC 4 OH! 1
      • Sep 25, 2001
      • 3585

      #3
      2 topics in offroad section.they are sticky and aint going anywhere

      yes using a used shaft and adapter out of a chevy is on way! the other is

      Adapting the Turbo Hydramatic 400 Transmission to the Jeep Dana Model 300 Transfer Case & FSJ NP Transfer Cases
      77 chero DEAD.
      84wag,360,tf727,???! possiblities are d300 flipped and a ford d44 hp with coils

      Comment

      • mdill
        Gone. Not Forgotten.
        • Nov 22, 2000
        • 7076

        #4
        Likely easier and cheaper to go with a NP241C, gives you the same function, was used in 3/4 trucks (though a D-300
        seems pretty stout)





        -----------------------------------------
        Home of ADHD project list

        1977 J-10 Honcho 360-T15-D20
        1977 Cherokee WT 360-Th400-NP241 true-trac(s)
        1979 Cherokee 4 Door 258-T-18-D20
        1981 Cherokee Chief WT 360-727-NP208
        1972 K20 Suburban 350 SM465 205
        And the other stuff that gets driven
        ----------------------------------------

        Comment

        • jeepinjohn
          232 I6
          • Jul 10, 2005
          • 31

          #5
          Is the np 241c a bolt in?
          1977 cherokee<br />rusty and in need of resto

          Comment

          • jepj2000
            350 Buick
            • Dec 22, 2006
            • 971

            #6
            There is no "bolt in" swap for the QT, it has a unique bolt pattern and tranny output shaft.

            To swap the QT out, you have to completely take apart the transmission to get to the output shaft, so you will most likely have to have professional shop take care of that part.
            1972 J2000: 304, T18, Dana 20, Dana 44s w/ 4.09s, Rear Detroit, 7.50-16s
            1977 J10: 401, TH400, Quadratrac, partime kit, Dana 60's , 4.10s, welded rear, RS44044s SOA, 63" Springs inboarded, 36" Goodyear RT IIs

            Comment

            • mdill
              Gone. Not Forgotten.
              • Nov 22, 2000
              • 7076

              #7
              Originally posted by jeepinjohn
              Is the np 241c a bolt in?
              With the right parts, it is all bolt in, of course you have to bolt/swap in the right output shaft, bolt in the right adapter, and bolt in the right drive-lines, no welding and or hacking to the truck, the setup shown is bolted in to the stock mounts in the stock location, no body bashing, cross member hacking, tank clearance bashing ...

              Mike D.
              Last edited by mdill; 11-13-2010, 08:07 PM.
              -----------------------------------------
              Home of ADHD project list

              1977 J-10 Honcho 360-T15-D20
              1977 Cherokee WT 360-Th400-NP241 true-trac(s)
              1979 Cherokee 4 Door 258-T-18-D20
              1981 Cherokee Chief WT 360-727-NP208
              1972 K20 Suburban 350 SM465 205
              And the other stuff that gets driven
              ----------------------------------------

              Comment

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