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Garrison's Avatar
 
Join Date: Apr 2006
Location: Denver
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Torsion Bars

Is there a preference of which manufacturer to use? About to pull the trigger on a set up and am wondering if I should go with Sanders bars over Sway-Away? Solid or Hollow?

Any thoughts would be great.
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Old 06-17-2010, 06:15 AM
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Sanders has a good reputation for quality. That said, I've had Sway a Way for 10 years with out problems. For solid vs hollow, I think it's more of a weight issue, unless you are getting the largest hollow bars, which might have an effective rate higher than the largest solid bars. Unless you're tracking the car at the highest, I doubt you would need the hollow bars.

I'm using the largest solid t-bars I could find when I installed mine years ago. IIRC they are 23 and 29 mm.

Just my .02
Old 06-17-2010, 10:34 AM
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Yeah this car is going to be 80-85% street, 15-20% DE/track so I am not going crazy on the T-bars, 23/30.

Thanks for the help.
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1996 Porsche 911
2013 BMW 335xi - Wifes car
2007 4Runner - 4x4 for Colorado snow
Past: 1988 Venetian Blue 911 Targa, 1983 Black 930, 1984 Black 911 Coupe
Old 06-17-2010, 10:42 AM
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If you are using bars so large you are limited by torsion tube diameter, solid bars will have a stiffer spring rate because they have more metal in the same outside diameter. Equal diamters- solid bars stiffer. Equal effective stiffness- hollow bars lighter (but bigger).
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Old 06-17-2010, 10:43 AM
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IMO a 930 cannot ever have too much rear spring rate.
These cars NEED large bars, balanced of course by large fronts -
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Old 06-17-2010, 11:22 AM
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I am doing 23/30 solid bars. With Sway-Away the biggest you can do in the rear is 31 solid or 33 hollow.
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1996 Porsche 911
2013 BMW 335xi - Wifes car
2007 4Runner - 4x4 for Colorado snow
Past: 1988 Venetian Blue 911 Targa, 1983 Black 930, 1984 Black 911 Coupe
Old 06-17-2010, 11:26 AM
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Hollow bars are only slightly larger than solid bars, maybe 1/2 a millimeter. But big weight is pulled out of the center. My 31mm hollow rear bars weigh a little less than the stock 26mm.

Of course you pay for that weight savings.
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Old 06-17-2010, 11:53 AM
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