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Drive Shaft ?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by HispanicPanic, Apr 2, 2001.

  1. HispanicPanic

    HispanicPanic 1/2 ton status

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    ok im going 6 inches in rear to even out my jimmy so will i have to extend my driveshaft or not cuz i have a 4inch in the rear now and my driveshaft is already pulled out a bit thanx guys/gals

    NOT ALL HISPANICS DRIVE LOW RIDERS :-) <A target="_blank" HREF=http://jimjim.coloradok5.com>http://jimjim.coloradok5.com</A>
     
  2. HispanicPanic

    HispanicPanic 1/2 ton status

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    someone's gotta have a six inch lift anybody

    NOT ALL HISPANICS DRIVE LOW RIDERS :-) <A target="_blank" HREF=http://jimjim.coloradok5.com>http://jimjim.coloradok5.com</A>
     
  3. 4GUNZ4X4Z

    4GUNZ4X4Z 1/2 ton status

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    When my brother and I lifted his K5 6" we didnt do a darn thing to his rear driveshaft and its still cooking no busted u-joints (that I can remember) and hasn't come apart on the rocks.

    <font color=blue>Professional <font color=red>JEEP EATER</font color=red> it's a population control thing.</font color=blue>[​IMG]
     
  4. CaptCrunch

    CaptCrunch 1/2 ton status

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    Usually a 6" lift requires about 2 extra inches on the shaft.

    [​IMG]
    1987 Chevy K5 Blazer- 350 TBI
     
  5. Emmettology 101

    Emmettology 101 3/4 ton status

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    I did about 5inches inthe rear and didn't lengthen my rear shaft, but I blew two joints in 2 years, so I think I am going to go ahead and get it lengthened an inch or two..

    Mike [​IMG]
    See <font color=green>EMMETT</font color=green> -&gt; <A target="_blank" HREF=http://emmett.coloradok5.com>http://emmett.coloradok5.com</A>

    " Ah.. Hong Kong, home of shiny green suit!"
     
  6. SAVAGE1

    SAVAGE1 1/2 ton status

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    I went up 6 inches just last week. I dropped the T case and that's it. So far no problems on road but I'll do some wheelin on Sun. I'm picking up a custom shaft from a buddy as soon as he takes it out of his Jimmy. The splines on my shaft are stickin out from the yoke a bit.. bout 2 inches. I'll let you know if anything happens but I'd go with a custom shaft eventually.

    Rod
     
  7. LittleJimmy

    LittleJimmy 1/2 ton status

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    I would say yes, you will need a new drive shaft. If i were you I would go with a cv drive shaft. They aren't cheap but it will last a long time and you will not keep dropping the drive shaft. And it will get rid of the vibration at high speeds like highwat driving. Later LittleJimmy....
     
  8. Wheels

    Wheels 1/2 ton status

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    I went 4" and had the drive shaft lengthened 1 3/4" to get rid of a small vibration that was killing u-joints. Depends on what shape the slip joint is in. If there is any play in the joint, have it re-worked.
     
  9. bigjbear

    bigjbear 1 ton status Staff Member Moderator

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    I have 5.5" of lift in the back, 4" springs & 1.5" blocks with a stock legenth driveshaft. I did lower the transfercase when I added the blocks, though. That minimizes the change.

    Jim '80 GMC
    Freedom First!
    <A target="_blank" HREF=http://www.bigjbear.coloradok5.com>http://www.bigjbear.coloradok5.com</A>
     

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