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Thread: Hollow vs solid torsion bars: pros & cons?

  1. 04-23-2016, 06:01 AM #1
    davewadd
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    Hollow vs solid torsion bars: pros & cons?

    What are pros and cons to hollow vs solid torsion bars?
    "Speed never killed anyone. Suddenly becoming stationary...that's what get's you."

    1973 Austin Mini
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  2. 04-23-2016, 09:23 AM #2
    Flieger
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    Hollow are lighter for a given spring rate. If you are limited by available space/packaging then the solid will be a little stiffer than the hollow. Hollow has more stress in the material than solid for a given spring rate but the margin of safety for a Porsche application should be fine either way.
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  3. 04-24-2016, 04:38 AM #3
    bliebler
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    Besides lighter weight you'll get a better response. Kind of like twisting a empty garden hose vs one charged with water. I have them in my S and had them in my 930 when I owned it.
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