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205 conversion ?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by thatK30guy, Mar 10, 2001.

  1. thatK30guy

    thatK30guy 1 ton status Premium Member

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    I have a few fixed-yoke NP 205's that were bolted up to 465's. All are 10 spline. I want to change one over to fit the TH 400. I know the bearing bore needs to be machined out bigger, but how much are the conversion of the input shafts? I want to do this since the case already has the 1350 yoke on the rear. Anybody?
     
  2. grumpy

    grumpy 1/2 ton status

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    I got an answer from Stephen Watson a while back but can't find it now. Check with him.
    David
     
  3. grumpy

    grumpy 1/2 ton status

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    Wes,
    I don't suppose you have an extra fixed yoke 205 you would be willing to part with?
    David
     
  4. thatK30guy

    thatK30guy 1 ton status Premium Member

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    I might part with one, but its the 10 spline input for the 465. I have three right now and trying to change one over to fit the 400. Are you just looking to do the same thing like I am?
     
  5. seattlek5

    seattlek5 1/2 ton status

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    Do you have any spare yokes for the 205's? I'm looking for the rear 32-spline for 1350 joint. I have a front that is in fair shape-may need to be sleeved, if you have either let me know.
     
  6. Blazer1970

    Blazer1970 1/2 ton status

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    The TH400 style input gear for the 205 is around $200, and so is the tranny to t-case adapter. I know that Parts Mike sells these parts <A target="_blank" HREF=http://www.partsmike.net>http://www.partsmike.net</A>

    Parts Mike, 750 Perry Ranch Rd, Auburn, Ca 95603 - phone (530)885-0673.

    Quote from Partsmike.com
    "You can call me to buy the brand new shaft and adapter that I stock and sell for $420.00 + shipping. It will require you to disassemble the NP205 and bore it out to accept the TH400 32 spline female shaft and bearing. Call (530)885-0673 Mike"


    Tim

    70 Blazer CST 4X4 350 SM465 NP205
    87 Burb 4X4 350
    01 GMC 2500HD 4X4 Duramax/Allison
     
  7. realsquash

    realsquash 1/2 ton status

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    here you go, right from the ORD forum... http://www.trailrunners4x4.org/users/realsquash
     
  8. thatK30guy

    thatK30guy 1 ton status Premium Member

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    Hey guys, THANKS for all this important info!!!!!!!!!!!!!!!!!!!!!!!
    Will be looking into a conversion soon.
     

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