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89-92 Burban Q?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by k5james, Sep 10, 2006.

  1. k5james

    k5james 1/2 ton status

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    I'm thinking about picking one up to be a tow/camping rig. I'm looking at picking up a 2500 with a big block. My question is, what transmission did they put behind the big block in these? Is it a 4L80e or a 700r4? Are there any special things that I should know or be aware of on these? Any help is much appreciated.

    Thank,
    James
     
  2. JIM88K5

    JIM88K5 1/2 ton status

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    4l80...
     
  3. 4X4HIGH

    4X4HIGH 1 ton status Premium Member GMOTM Winner

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    The solid axle burb stopped in 1991 then came the new body style. They never had a 700 behind a BBC and i'm fairly certain the 4L80 wasn't until later. With that being said i believe it would be a TH400.
     
  4. cbbr

    cbbr 1 ton status GMOTM Winner

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    Did they put a BB in a 4WD?
     
  5. GMCJason

    GMCJason 1/2 ton status

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    Nope. No BB in a 4wd, unfortunately, until the newer body style. I think you could probably get a '92 BB 4x4, but, as stated, the '91 was the last of the solid front axle Burbs. It was also the first year of the 4L80E in the 2500. Previous 3/4 tons had the TH400; at least in the years your looking at.
     
  6. JIM88K5

    JIM88K5 1/2 ton status

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    TH-400 till 1990 w/8600 up gvw.
    4L80 91 on up w/8600 up gvw.
     

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