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Max. Lift

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by mxk419, Jun 14, 2003.

  1. mxk419

    mxk419 Registered Member

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    What's the maximum lift I can put on my 90 Blazer without changing/lengthening the driveshafts? If I were to add an 8" lift, how much would it cost to lengthen the shafts? thanks
     
  2. blasterD

    blasterD 1/2 ton status

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    I have a 4" skyjacker and no driveshaft mods. I've seen a 6" with no mods but he was right at the edge of the driveshaft travel. I would think 8" would definitely need some more length. Around here I think you can get your shafts lengthened for $50-75 per shaft.
     
  3. HarryH3

    HarryH3 1 ton status Author

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    In your quest for giant tires, don't forget the drivetrain. If you're gonna run really huge tires, then you'll need to seriously consider upgrading to stronger axles than the stock 10-bolt, 1/2-ton models. Plus, if you actually want to have a truck that you can drive, you'll need to swap out the axle gears for something that matches the tires. Otherwise you'll have a slug that is not much fun to drive. /forums/images/graemlins/frown.gif
     
  4. bigblock44k5

    bigblock44k5 1/2 ton status

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    price for lengthening driveshafts is peanuts compared to what it will cost for high angle cv's. i have 6 inches on mine and the stock ones work but there is not much spline left. the real prob is my front cv doesnt angle enough to turn the front axle. i ended up blowing it out. you will definetly need longer and high angle driveshafts for 6 or above inches of lift. im just saving up for mine still.
     
  5. rick88blaze

    rick88blaze 1/2 ton status

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    hell, i only did a 2 1/2" lift and had to get my rear driveshaft redone. i went ahead and got a CV shaft so i don't have to later when i do a 6" lift. (front springs, and ORD shackle flip in rear) i'll probably have to get it lengthened though.
     
  6. Orange Crush

    Orange Crush 1/2 ton status Premium Member

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    A grinder does wonders for clearancing that front CV.Grind away whatever hits.It may not be right but it will work. /forums/images/graemlins/thumb.gif /forums/images/graemlins/k5.gif
     
  7. BLzr4x4ngkid

    BLzr4x4ngkid 1/2 ton status

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    Crush is absolutely right. Consider saving your money on purchasing a high angle CV for the front, just grind! I had a 9" suspension lift and grinding allowed the CV to move freely, but I still had to have it lengthened. There's a lot of work to be done when you get up past 6" of lift, but there's definately nothing cooler than a Blazer with a 12" lift, 39.5" Boggers, and 3/4 ton axles.
     

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