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1 more question 2nite

Discussion in 'The Garage' started by blazin_blazer, Feb 7, 2007.

  1. blazin_blazer

    blazin_blazer 1/2 ton status

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    a np205 from behind a th350.. does it have the same input shaft as a np205 from behind a th400. if not do they make an adaptor for the different splines? or would it be better to swap input shafts also ...i'm converting a 2wd tranny for 4wd duty.:bow:
     
  2. blazin_blazer

    blazin_blazer 1/2 ton status

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    3 easy ?s
     
  3. goldwing2000

    goldwing2000 Guest

    No.
    No.
    No.

    The t-cases are completely different. The TH400-style case has a larger bearing, a female input and a slightly different housing. The TH350-style case can be modified but it requires machining. Definitely not a bolt-on application.

    TH350, TH700R4 and SM465 share the same style input but with different shafts. TH400 is the bastard child in design but is the strongest.
     
    Last edited by a moderator: Feb 8, 2007
  4. k30bb468

    k30bb468 1/2 ton status Premium Member

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    There is a small bearing T400 NP205 .
    So you just need the correct NP205 input for your transfercase & it will work
    84 NP205 T400 (Small).jpg
    04-19-06 006 (Small).jpg


    Here's a couple pics of the large bearing NP205 for comparison
    04-16-06 001 (Small).jpg
    NP205 long 32 spline (Small).JPG

    84 NP205 T400 (Small).jpg

    04-19-06 006 (Small).jpg

    NP205 long 32 spline (Small).JPG

    04-16-06 001 (Small).jpg
     
  5. goldwing2000

    goldwing2000 Guest

    Neither of us can view those pictures.

    I can't even begin to imagine how rare a small-bearing 205 must be, though.
     
  6. k30bb468

    k30bb468 1/2 ton status Premium Member

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    Not rare at all , any T400/NP205 85 & earlier would have the small bearing
    32 spline input & figure 8 adapter.
    (How do I post pics so you can see them ??????)
     
  7. goldwing2000

    goldwing2000 Guest

    I just don't see how you can have a small bearing with an input shaft that's so much bigger. Everything I've read says that the female input shafts all use the large-size bearing. Here'a an example from ORD's web site:
    http://www.offroaddesign.com/NP205tech.htm

    Doesn't say anything about small-size bearings on the female inputs. :thinking:

    Anyway, to post pics that non-members can see, they have to be hosted on an external web site and img linked on your post.
     
  8. k30bb468

    k30bb468 1/2 ton status Premium Member

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    PM me your email & I'll send ya the pics
     
  9. boz42

    boz42 1/2 ton status GMOTM Winner

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    i believe your pictures only show the difference between a long & short 32 spline input. both the 32's are large bearing cases.
     
  10. goldwing2000

    goldwing2000 Guest

    can't pm, either. :D

    goldwing2000@comcast.net
     

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