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Aluminum Drivehsaft ?

This is a discussion on Aluminum Drivehsaft ? within the General Help forums, part of the LSx Technical Help Section category; I see Aluminum Drivehsafts for sell. What are the benefits other than weight if any? Is there a big difference ...

  1. #1
    Member 89LX's Avatar
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    Navy
    2000 Z28 M6

    Aluminum Drivehsaft ?

    I see Aluminum Drivehsafts for sell. What are the benefits other than weight if any? Is there a big difference in weight?
    2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
    P&P Maf, TB By-Pass, PS Shorties, LS6 Intake, FAST 78mm TB, Hooker CB, Hurst Billet, Front Tower Brace, small 218/218....527/527....114 cam.
    337rwhp/348rwtq

  2. #2
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    I still run the steel ds - yours should be alum.
    A4(3.42)TA Cover/Nittos/Vig 3200/Corsa Catback/FTRA/BMR Boxed SFC, STB, ACLA, APHR/Predator Custom Tune...

  3. #3
    Member 89LX's Avatar
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    Really Stupid

    Shows what I don't know. Thanks

  4. #4
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    higher critical velocity before any vibrations occur.

    from TPIS website
    The stock steel driveshaft in the 1982-2000 Camaro and Firebird is 2-1/2" in diameter and has a critical speed of 7177 RPM. This is as fast as it should turn. While this may seem high, there is another factor to consider. At approximately half of critical speed - which is 4784 RPM - annoying vibrations can begin to occur.
    Half of critical speed is only 92 MPH with a 3.73 gear.

  5. #5
    Sponsor autotrix's Avatar
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    That is interesting info! Balancing your driveshaft after a cam or ring and pinion swap may be useful?

    Got passenger window problems?
    http://www.autotrix.net
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    http://www.autotrix.net/products.html

  6. #6
    Senior Member mrr23's Avatar
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    dark bowling green
    2000 corvette

    balancing the driveshaft is a good thing no matter what you do. even in stock form. the driveshafts come balanced from the factory. but, you never know.

  7. #7
    Senior Member INMY01TA's Avatar
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    Here's a disadvantage:

  8. #8
    Impounded x-40oz-x's Avatar
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    1981 g-Body

    wow
    How much hp/tq did it take to do that?

  9. #9
    Senior Member INMY01TA's Avatar
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    My car only makes about 362 on a Mustang dyno. I've seen a stock motor car (stock manifolds/cats) do the same with just a mcleod clutch on Nittos.

  10. #10
    Sponsor autotrix's Avatar
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    Wow, I think I will balance the original and hopefully NOT pull something like that out from underneath my car!!!

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