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need help what tcase is in here

Discussion in 'The Garage' started by 89sammy, Feb 10, 2007.

  1. 89sammy

    89sammy Registered Member

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    hey guys i am looking for a 203 for my 72 to mate it to my 205 and i came across a 83 k30 with the th400 mated up to a tcase but he does not know which case, can anyone help me, i would hate to drive 2 hours for the wrong case. i am looking for the 203
     
  2. readymix

    readymix 3/4 ton status

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    K30 would be a 205 AFAIK

    Someone here will verify that though.
     
  3. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    X2

    I don't believe 203's were ever offered in 1 tons
     
  4. 89sammy

    89sammy Registered Member

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    now he thinks it might be a k20, i have a pick but i dont know how to download it
     
  5. readymix

    readymix 3/4 ton status

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    A pic of the t-case or the truck?
     
  6. 89sammy

    89sammy Registered Member

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    thanks I just sent a pick to another fellow member who said that he will identifie for me.
     
  7. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    a pic of the T-case..... its a 203

    1_1_.JPG
     
  8. 89sammy

    89sammy Registered Member

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    awesome thanks alot resurrected jimmy. it must be a k20 huh
     
  9. sweetk30

    sweetk30 professional hooker Premium Member

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    i have a all orignal 77 k30 with 400/203 and full time drive slugs in the frt end. :rolleyes: :D
     
  10. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    I stand corrected..... How rare is a K30 outfitted like that?
     
  11. DirtyJim

    DirtyJim 1/2 ton status

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    i believe that option was more popular in the k20's 203 / d44 / 14bff all time
     
  12. diesel4me

    diesel4me 1 ton status Premium Member

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    rare...

    I've seen two late 70's GM K30 4x4's, that had 400 small blocks, and TH400/NP203 drivetrains factory,both were the old style Holmes Wreckers ,with short wheelbases...have seen a lot more 3/4 tons with TH400/NP203 setups than one ton dually's though,but they evidently did exist..

    Around here, a TH400/NP205 setup is real rare in the older trucks..most of them with TH400's had the NP203 in the 70's(even though I guess a NP205 WAS available then?)..,or the NP208's in the 80's ...

    I'd guess about 95% of all the usual 1/2 ton 4x4 pickups and K5's in the junkyards,and most of the 3/4 tons I've seen here had TH350's with NP205's,or NP203's..pretty rare to see any TH400/NP205 setups here,only a few dually dump trucks I saw with SM465's manual tranny's had NP205's, and I look at a LOT of junked trucks in my area!...so if and when you DO find one for a TH400,they want a kings ransom for it usually..:( They seem to have sold more TH400/NP205 drivetrains out west and down south, than here in my area...:crazy:
     
  13. resurrected_jimmy

    resurrected_jimmy 1/2 ton status

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    I had just never seen that configuration before. Down in TX I can find 465/205 or TH350/203 all day long. Some of the others are a little harder to come by and cost their weight in gold but I had just never seen TH400/203 and hadn't even considered finding that combo in a 1 ton. I am surprised that the General put that T-case in any 1 ton application regardless of tranny configuration. Thanks for the info
     

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