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SM465/NP205 vs TH350/NP205 Dimensions

Discussion in '1969-1972 K5 Blazer | Truck | Suburban' started by 1972Blazer, Jun 8, 2003.

  1. 1972Blazer

    1972Blazer 1/2 ton status

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    Does anyone know if the dimesions are the same between the SM465/NP205 and the TH350/NP205? I am getting ready to purchase the SM465/NP205 and pull my TH350/NP205. What else do I need to cosider, I am getting everything out of a 1970 Blazer and it is going in a 1972 Blazer. I will be getting shifters, linkages, pedals, bellhousing, clutch, flywheel and of course SM465/NP205, the seller said he just rebuilt this setup. I just purchased custom Drive shafts and need to know if it will effect them. My 1972 Blazer has 4" front springs with Hills extended shackles and the rear has 6" springs the springs are Rough Country. I will also be ordering all the greasable bushings from ORD. Is anyone running with a custom built Dana 60 Rear, I am looking at having one put together for the rear of my Blazer and wondered who has the best setup out there. Thanks for your help!
     
  2. arq

    arq 1/2 ton status

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    i did the same last year. everything should line up, even the drivelines. not sure about the yokes though, there are many configurations for those. make sure the tranny shifter IS from a first gen blazer, it may hit your center counsel if it's not.

    i'd recommend you going with a hydro clutch.

    ARQ.
    PS: is that th350/np205 up for grabs. i'm interested.
     
  3. mcmlxix

    mcmlxix Registered Member

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    I have the set up. Its from a 1970 K5 Blazer. 1972Blazer said he wont be able to do anything till September. He felt bad and said that if anyone was interested I should just sell. Check out the ad in the for sale forum.
     
  4. JIMs70K25

    JIMs70K25 1/2 ton status

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    What are you looking for as far as a "custom" built dana60 rear? They did come on k20s and k25s from 69-72. Or are you looking at the 6 lug semi-float variety they came under big-block powered 1/2 tons from early 60s to 68-69, I believe?
     
  5. 1972Blazer

    1972Blazer 1/2 ton status

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    I am trying for a 6lug Dana60 SF, I guess I was just looking to see if anyone was using one. I would really like to find someone who had a custom one built. I really want piece of mind with this Blazer. Always remember the drivetrain will find the weakest link. Just trying to not have a weak link I guess.
     
  6. Triaged

    Triaged 1/2 ton status

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    I know Burt4x4 has a 60SF...I don't think his is custom. I think it is just out of a 60's chevy.
     
  7. jasonkh2tg

    jasonkh2tg 1/2 ton status

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    I can answer you on one of the questions with 100% accuracy...as far as the 465&205 swap from the old 350&205 swap..I know it will work without any problems..Ive preformed this transplant before...The only thing you might want to look at is to see if the origianl 465 trans vehical had a frame mounted bracket for the Z-bar (clutch linkage part)...Cuz Ive heard some auto models did not have this on the frame...but every one ive seen has...
     
  8. 1972Blazer

    1972Blazer 1/2 ton status

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    I think I am going to go with the TH400 conversion instead. It will be stronger and last longer by all the research I have done. Do I need a different adapter between the transmission and transfercase?
     

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