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Thread: driveshaft?

  1. #1

    Default driveshaft?

    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
    2007 GMC Sierra SLE CC, fabtech, 20x10 ultra predators, toyo mts

  2. #2

    Default

    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.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 265K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



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  3. #3
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    Default

    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.
    2004 Chevy Colorado
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  4. #4
    Sr. Apprentice hmaster77's Avatar
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    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
    2008 chevy silverado single cab short bed 4.3
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  5. #5

    Default

    Quote Originally Posted by hmaster77 View Post
    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
    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.
    Christopher

    1991 Chevy Suburban 1/2 ton 2WD w/ chevy SBC 350-3/4 ton drivetrain upgrade w/4.10 gears 200K miles
    2005 Saturn ION-2 Stock 265K miles
    1982 Bronco, 1993 Bronco (sold), 1971 M35A2 Deuce and a Half



    There are 10 kinds of people, those who understand binary, and those who dont...

    Remember kids, the only difference between screwing around and science is writing it down- Adam Savage

  6. #6

    Default

    o i forgot to mention it was only for 2WD NBS crew cab
    2007 GMC Sierra SLE CC, fabtech, 20x10 ultra predators, toyo mts

  7. #7

    Default

    i am not sure wat lift i am lookin at. maybe rough country 5in or fabtech 6in... take a look at where i found this information...

    http://www.gmfullsize.com/forum/showthread.php?t=64105
    2007 GMC Sierra SLE CC, fabtech, 20x10 ultra predators, toyo mts

  8. #8

    Default

    Custom Shop.....don't take a chance!
    The diference between stupidity and genius is that genius has limits.

    2007 NBS Silverado
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  9. #9

    Default

    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
    Jim

    2004 SILVERADO 2500HD LS
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