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New user with a few questions........

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by 84M1031, Mar 17, 2002.

  1. 84M1031

    84M1031 Registered Member

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    I just came across a 80 1/2 ton p/u. It has a 350 sm465 and what I believe is a 205 with the circle plate and the three bolts. Now, am I wrong? A 205 wouldn't that be in a one ton? How much would one of you pay for a 205 ready to bolt to a 400 with the drive shafts from the one ton it came out of? He said he would take 700 for it. Is this a good or bad deal?

    Thanks in advance.

    Mike
     
  2. zakk

    zakk 1/2 ton status

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    i would say that price is a bit steep but being in Jersey, i am not sure of the prices out there. Wes has a set up like that for $500 IIRC, so i would say it is over priced, unless he has recipts for a recent rebuild.

    JMHO
     
  3. zakk

    zakk 1/2 ton status

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    i would say that price is a bit steep but being in Jersey, i am not sure of the prices out there. Wes has a set up like that for $500 IIRC, so i would say it is over priced, unless he has recipts for a recent rebuild.

    JMHO
     
  4. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    '80 was the year every GM 4x4 got a 205, from the Blazers and Jimmy's up to the K30's. The 208 was not quite ready for production and GM decided to discontinue the 203. The only problem is they are all slip yoke 205's that year. The SM 465 version would also be a 10 spline version. Slip yoke with 10 spline isn't the most desirable 205 out there...it probably did come out of a 1/2 ton.

    If it was a 205 from a mid to late 80's K30 I'd say it was worth it...they have a 32 spline input and a fixed yoke.

    Rene
     
  5. 84M1031

    84M1031 Registered Member

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    HE WANTS 450 FOR THE TRUCK. THAT IS WHY I ASKED. IS IT HARD TO SWICH THE 10 SPLINE TO A 32? 32 IS THE ONE I WOULD WANT RIGHT? WHAT ABOUT MAKEING IT A FIXED YOKE? HOW BIG A JOB IS THIS ANYWAY. WHAT WOULD IT COST?????

    THANKS FOR YOUR HELP

    MIKE
     
  6. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    If you want a 205 to bolt up to a TH400 it'll need to be a 32 spline female input. ORD can sell you the necessary parts to make the conversion. You'll need to have the case bored a bit for the larger bearing retainer though. You'll also need the correct adaptor.

    I'd either stick with the 4 speed and 205 or look for a TH400 version case...or complete combo of tranny/adaptor/T-case.

    Rene
     
  7. 84M1031

    84M1031 Registered Member

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    I found a 205 for a 400 out of a 84 one ton complete with drive shafts to. With 17,000 miles on it. He wants 800 for it!!!!!! that is alot more then I thought it would be!!! It it worth it?? I don't have a lot of time to get back to him. So the sooner the better.

    Thanks for everyones help.
    Mike
     
  8. tRustyK5

    tRustyK5 Big meanie Staff Member Super Moderator GMOTM Winner Author

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    That sounds real steep, but if you need new driveshafts and these ones fit and are in good shape it could be less expensive in the long run. It's up to you in the end though.

    Rene
     
  9. 84M1031

    84M1031 Registered Member

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    OK......Thanks

    Mike
     
  10. madmike

    madmike 1/2 ton status

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    I bought an '80 1/2t pickup a few winters ago for a beater. I drove by it everyday for a year, wondering why it just sat there. One day I stopped in to check it out, figuring it would be a 305ci/Turbo 350/203 that was broke down. Boy did I luck out! Turns out someone had swapped in a 402 bbc, and it was equipped with a SM465/NP205. Best thing was, I hooked up my jumper cables, fired that mother up, and took it off the guys hands for 300 bucks! I've driven it the last three winters to save my other truck (another '80 1/2t w/South Carolina body). Since the beater is now rusted beyond reasonable repair, I plan on rebuilding the 402 to replace the worn out small block in my nice truck.
     

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