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Carbon Fiber...

Discussion in 'The Garage' started by Confedneck, Aug 20, 2003.

  1. Confedneck

    Confedneck 3/4 ton status

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    ok so today i was told that gm toyed with carbon fiber driveshafts in trucks in the 80s at some time..thats all the specifics i got...anybody know anything about this? other than that it obviously failed as an idea.. /forums/images/graemlins/ears.gif
     
  2. Confedneck

    Confedneck 3/4 ton status

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  3. dyeager535

    dyeager535 1 ton status Premium Member

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    Haven't heard of them fro trucks. Have heard of AL shafts, but thats it.
     
  4. sled_dog

    sled_dog 1 ton status

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    never heard of one in a truck. Definetally never heard of one from GM direct. I know you can get them for cars.
     
  5. TONYP

    TONYP 1/2 ton status

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    i'm thinking it was a steel tube with a carbon fiber tube over it for added strength, drag cars use carbon fiber tubes over there drive shafts to hold them together if they fail... /forums/images/graemlins/thumb.gif
     
  6. Triaged

    Triaged 1/2 ton status

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    I've seen some all carbon fiber, filliment wound driveshafts made by GKN. They way nothing! Why would you want a light driveshaft on a truck with 600# of rotating weight?
     
  7. DPI

    DPI 1/2 ton status

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    The new Nissan 350Zs have a carbon fiber driveshaft. But never heard of a GM truck with one.
     
  8. k5blazerus

    k5blazerus 1/2 ton status

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    This guy down the street Brains60S used to be a ck5 member but I dont think he comes on much. Anyways He has a carbon fiber drive shaft. Its aluminum tube with carbon fiber wrap.
     
  9. Confedneck

    Confedneck 3/4 ton status

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    there are spun carbon fiber driveshafts rated to 5,000 ft lbs...carbon fiber only, so i guess nobodies ever seen one on a factory gm vehicle eh?
     
  10. loudnowlouder

    loudnowlouder 1/2 ton status

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    i was told by my professors at UMD that they did indeed have a carbon wrapped driveshaft in a very small number of the early 90s 2500 trucks. we were looking for a lightweight driveshaft for a project truck, and he told me what to look for....but i never found one, if they are out there i'd like to see one!
    we ended up making our own pure carbon driveshaft, it tested 3 times the strength of the stock driveshaft, and it was a lot lighter. i dont think i'd trust one if i knew it were going to be hitting some rocks though...
     
  11. BigOrange90Jimmy

    BigOrange90Jimmy 1/2 ton status Premium Member

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    every Z71 i have seen roll from the factory has had carbon fiber wrapped around the driveshaft...or maybe it was plastic. all i know is, don't remove the junk. it will make a horrible whining noise afterwards.
     
  12. loudnowlouder

    loudnowlouder 1/2 ton status

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    yeah the fiber adds a lot of strength to the driveshaft, as well as balancing it out...when we took the one we made to get balanced the guy just laughed, he said his lightest weight was about 10 times too heavy, he'd never seen such a perfectly balanced driveshaft....we ran it on a 2000 suburban, only problem we ran into was that it was a little thicker tube than the stock, and we came close to hitting the exhaust when it was up on the lift. we only made a front since we needed maximum clearance in the back.
     

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