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drive shafts?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by muscle, Jun 28, 2005.

  1. muscle

    muscle 1/2 ton status

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    My project is an '84 Jimmy. I removed the axles from a 1984 chevy 3/4 ton which are a 12" sf and 10" corporate front. 4.11 gears. i stabbed a 400 sm block with a th400 trans and 208. (in place of a 305/th350/208)

    I figured i would need some driveline work to finish the job and it was not until yesturday i crawled under the jimmy and to my surprise, the original driveshafts will fit.

    I thought I would have to lengthen the fron and shorten the rear.


    ??
     
  2. alf4444

    alf4444 1/2 ton status

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    ummm I thought all 3/4 tons were 14 bolts :confused: and as for the front the only differance in axles would be the 8 lug outers so there wouldn't be a dline change
     
  3. Hossbaby50

    Hossbaby50 3/4 ton status

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    Peoria, AZ
    All driveshafts from 208/241 K5's will fit each other. They are all the same length. The tranny's are different lengths but the length difference is made up in the adapter length. It is alot easier and cheaper for Chevy to have the same driveshafts for all K5's then to mix them between different combo's.

    The only difference was the SM465 trucks had 1350 ujoints instead of the S44 ujoint that most of the other K5's got.

    If you got the rear axle from a 3/4 ton it should be a 14bsf or 14bff. A 12 bolt is a 6 lug 1/2 ton axle.

    Harley
     

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