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what transmission do i have?

Discussion in 'The Garage' started by Cole, Nov 15, 2005.

  1. Cole

    Cole Registered Member

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    i just bought a 1986 3/4 ton silverado, it has a 350, but there is so much grime on the transmission and transfer case that i cant get it clean...so can anybody tell me what it should be?
     
  2. JIMs70K25

    JIMs70K25 1/2 ton status

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    I'd guess 700R4 and Np208, Is it auto or manual?
     
  3. jekbrown

    jekbrown I am CK5 Premium Member GMOTM Winner Author

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    if its an automatic and its stock its a 700R4. Don't think they ever put a different on in 86s...

    j
     
  4. Cole

    Cole Registered Member

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    its an auto but it doesnt have overdrive
     
  5. k20

    k20 3/4 ton status

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    Probably a th400, get under and look at the pan, if its a square w/ a corner cut off its a th350, if its a square its a 700r4, if its vaguely like illinois its a th400.
     
  6. sweetk30

    sweetk30 professional hooker Premium Member

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    fixed it for ya. buddy.

    and i dont think thay put 700 in 3/4 from the factory ?
     
  7. Cole

    Cole Registered Member

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    thanks for the help, ill have to crawl under it tomorrow and see what i've got!
     

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