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Sway bar compairson Q

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Old Jul 12, 2007 | 02:11 PM
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Default Sway bar comparison Q

Does anyone have any information on the Addco sway bars for the C5? How do the Hotchkis bars compare to the Addco bars in stiffness etc. Anyone using the Addco bars please give your results / endorsement etc.

Last edited by frank dupuy; Jul 12, 2007 at 09:54 PM. Reason: spelling error
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Old Jul 12, 2007 | 02:56 PM
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I have the Addco sway bars installed on my 00 Coupe. Obviously they’re a vast improvement over stock. They are 35mm front and 25.4mm rear. They came with adjustable metal Heim joint end links. They’re not one of the more popular choices for some reason, but I couldn’t be more pleased with them.

As installed on my car the metal Heim joint end links make no noise at all.
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Old Jul 12, 2007 | 10:01 PM
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Originally Posted by frank dupuy
Does anyone have any information on the Addco sway bars for the C5? How do the Hotchkis bars compare to the Addco bars in stiffness etc. Anyone using the Addco bars please give your results / endorsement etc.
Also! what are the advantages/disadvantages of tubular over solid bars besides the weight?
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Old Jul 12, 2007 | 10:35 PM
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Originally Posted by frank dupuy
Also! what are the advantages/disadvantages of tubular over solid bars besides the weight?
Solid bars are cheaper, that is the only advantage they have.
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Old Jul 13, 2007 | 12:24 AM
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Originally Posted by frank dupuy
Also! what are the advantages/disadvantages of tubular over solid bars besides the weight?
It changes the amount of flex(not the most technical term)

Randy
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Old Jul 13, 2007 | 09:48 AM
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Originally Posted by Randy@DRM
It changes the amount of flex(not the most technical term)

Randy

So I take it that a solid bar will flex less and therefore be “stiffer” than a hollow bar of the same diameter?

If this is the case, then which bar would be “stiffer” a 1 ¼ solid or a 1 3/8 hollow?
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Old Jul 13, 2007 | 12:23 PM
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Originally Posted by MGorman
So I take it that a solid bar will flex less and therefore be “stiffer” than a hollow bar of the same diameter?

If this is the case, then which bar would be “stiffer” a 1 ¼ solid or a 1 3/8 hollow?
I was told by the Addco tech that there 1 1/4 is stiffer & heaver than the 1 3/8 tubular.
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Old Jul 13, 2007 | 05:31 PM
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Just to confuse you more Ive always thought that the only difference between solid and tubular was weight
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Old Jul 14, 2007 | 12:02 AM
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Originally Posted by BitViper
Just to confuse you more Ive always thought that the only difference between solid and tubular was weight
You are partially correct. The tubular bar will be stiffer than a solid bar of the same weight but the diameter of the tubular bar will need to be bigger. If the diameters are the same the solid bar will be stiffer.This is assuming both are made out of the same material. The only + for the solid bar that I see is the lower cost and smaller diameter. The big + for the tubular is the lighter weight to achieve the stiffer flex.
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Old Jul 14, 2007 | 01:39 AM
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Originally Posted by MGorman
So I take it that a solid bar will flex less and therefore be “stiffer” than a hollow bar of the same diameter?

If this is the case, then which bar would be “stiffer” a 1 ¼ solid or a 1 3/8 hollow?
You are right most of the time. There is a few things that change that, what metal, lengh of arms, heat treat and a few other things of that nature.

Randy
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Old Jul 14, 2007 | 01:41 AM
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Originally Posted by frank dupuy
You are partially correct. The tubular bar will be stiffer than a solid bar of the same weight but the diameter of the tubular bar will need to be bigger. If the diameters are the same the solid bar will be stiffer.This is assuming both are made out of the same material. The only + for the solid bar that I see is the lower cost and smaller diameter. The big + for the tubular is the lighter weight to achieve the stiffer flex.
Great example is the huge driveshafts on the newer chevy trucks. They are like 8 inch diameter but very light. We have put 800 horsepower to one without a single problem.

Randy
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