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np208

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by ed1507, Mar 23, 2003.

  1. ed1507

    ed1507 Registered Member

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    do all np208 have 27 spline input and a 32 spline output i have an 85 k5 with a 208 700r and looking at one from a 88 surb that was behind a 700r will it work? ed /forums/images/graemlins/usaflag.gif
     
  2. outlaw612

    outlaw612 1/2 ton status

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    Any 208 that was behind a th350 or 700r4 will have the 27 spline input like you need for your 700r4. The 208's that came from behind a th400 will have a 32spline input.
     
  3. ed1507

    ed1507 Registered Member

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    thanks outlaw
     
  4. Phreak480

    Phreak480 Registered Member

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    if i took a np208 from a th350 would it bolt right up to a 700r4
     
  5. outlaw612

    outlaw612 1/2 ton status

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    I believe it will, I think the only difference is the width of the adapter since the 700r4 has mor stickout than the th350. If you use your existing adapter it should work.
     
  6. Phreak480

    Phreak480 Registered Member

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    are u saying that the tail shaft of the th350 sticks out farther than the 7004r4

    if that is the case would a 700r4 from a 2wd suburban mate up to the 208 (which is removed from the th350) properly (removing speedo drive gear if necessary)
     
  7. outlaw612

    outlaw612 1/2 ton status

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    Sorry about that, I had them backwards. The 700r4 has a longer output shaft than the th350.

    As far as using the 2wd trans, I really dont know if it would work or not.
     

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