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driveshaft?

Discussion in 'GM Powertrain' started by AJ's Sierra, Jul 9, 2009.

  1. AJ's Sierra

    AJ's Sierra Rockstar

    i am going to need a longer driveshaft if i lift my 2wd truck over 4in so i was wondering how much they cost and where can i find one. i have 2007 sierra NBS
  2. Crawdaddy

    Crawdaddy Epic Member Staff Member 5+ Years 1000 Posts Platinum Contributor

    any driveshaft shop should be able to either get one for you or custom-build one. You will most probably have to go the custom-build route.
  3. TRPLXL2

    TRPLXL2 Epic Member 5+ Years 1000 Posts Platinum Contributor

    Well I have an obvious question, what kind of lift are you looking at? Is it a spindle or knuckle lift, because if it is it doesn't REQUIRE a longer drive shaft. My friend put a 5" CST spindle lift on his 2wd Colorado, and all it required was a carrier bearing relocator bracket. It had to be welded onto the original, and then it dropped the driveshaft down to adjust for the steep incline. Just an idea, and if not then you can have one custom made like Crawdaddy said.
  4. hmaster77

    hmaster77 Rockstar

    you can go to any machine shop they will usually do it or a mechanic prolly can my mechanic welds them himself by just cutting the shaft with a torch and welding in a spacer he just sets in a piece of angle iron to make sure its perfectly straight
  5. Crawdaddy

    Crawdaddy Epic Member Staff Member 5+ Years 1000 Posts Platinum Contributor

    Wow, what about balancing them? No matter how he does it if he doesn't balance the shaft afterwards, it'll cause massive unexplaned vibrations at any decent speed.
  6. AJ's Sierra

    AJ's Sierra Rockstar

    o i forgot to mention it was only for 2WD NBS crew cab
  7. AJ's Sierra

    AJ's Sierra Rockstar

  8. bob13

    bob13 Epic Member 5+ Years 1000 Posts

    Custom Shop.....don't take a chance!
  9. Jimmiee

    Jimmiee Epic Member 5+ Years 1000 Posts

    If you want your transmission to last don't mess with unbalanced shafts. Measure the length from the tail housing to center of the rear u joint cap. Take your drive shaft to a drive line shop. If you don't have one you can get a custom shaft here. Click

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