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Location: Terre Haute, IN
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Sanderson Torsion bars: Which is which?
Help!
I'm installing Sanderson hollow bars in the rear. I've just removed my Sway aways and they were clearly marked L&R. The Sanderson bars do NOT have a R or L marked on them. Any ideas, other than waiting till Monday to call Sanderson Racing?
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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12-10-2004, 06:48 PM
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I don't think it matters.
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Keith Lally 85 911 Blue Coupe - gone 84 911 Silver Coupe - gone |
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12-10-2004, 06:52 PM
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So, unlike the factory or Sway aways, the Sanderson bars aren't predetermined? I'm really clueless here since I bought them used from Souk. As luck would have it he isn't online at this time of night. I guess I'll go back to the garage and continue cleaning until I get an answer.
Not discounting your answer, Keith. Are you saying this from some knowledge of Sanderson bars or just a guess? No insult meant or intended, just don't want to screw her up.
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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12-10-2004, 06:57 PM
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I've heard that no new bar has to be one side or the other, because the metal has no set (i.e. no twist has been put on it yet). The markings are for when you pull them out later on.
That is exactly whay you are dealing with, since yours are used. But call Sanderson to be absolutely sure.
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off Last edited by randywebb; 12-10-2004 at 07:04 PM.. |
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12-10-2004, 07:01 PM
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Just for correction: I meant Sander Engineering Bars
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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12-10-2004, 07:07 PM
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Join Date: Apr 2002
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Yes, when new, the Sanders are interchangable L/R, but since yours have been 'loaded', you should see if Souk marked them in some fashion. In case his hasn't, you got a 50/50 chance of guessing right....if it were me, I'd contact Sanders for advice.
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12-10-2004, 07:41 PM
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Somewhere in the Midwest
Join Date: Oct 2001
Location: In the barn!
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Luke,
I sent you a reply. |
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12-10-2004, 10:21 PM
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Luke,
My new sander bars weren't marked and it didn't matter which side you put them in. I don't know if it matters for used bars that have been twisting one way for a prolonged period.
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Keith Lally 85 911 Blue Coupe - gone 84 911 Silver Coupe - gone |
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12-11-2004, 05:30 AM
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.
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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12-12-2004, 06:44 PM
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Somewhere in the Midwest
Join Date: Oct 2001
Location: In the barn!
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Luke, the one that has the oxidation cleaned off of it, may be the driver's side. That was the latest information I got. I'm trying to firm it up.
For the purpose of discussion, has anyone ever seen a t-bar fail, because the direction of greater loading was switched? And by that I mean without a doubt. If the bar failed for any reason other than a change of direction, don't bother posting, as it may add to this potential myth. There is very little twist going on when the bars are in service. I am going to consult with my metallurgist, but it seems unlikely to me that the metallury of the bars can change from service in our cars. I have performed testing on torsion bars, and they can withstand a whole lot of deformation before failure. So much so that you can see the grains elongated. I admit that we were not cycling the bars, but cycling the bars without heat surely can't change the material matrix. The frequency of cycling in our cars is hardly enough to generate enough heat to change the metal. Ask yourself how old your current bars are if they are stock. Also, consider that rebound of your tires after compression does not stop at equilibrium, it continues pass that. So there is cycling in the other direction too. Also ask yourself if your anti-sway bars are going to snap. They see rotational forces in both directions. Luke, if you don't want to use them, we'll work on a return. No big deal. I'd rather take them back then to have you worry about them in your car. Last edited by MotoSook; 12-12-2004 at 07:21 PM.. |
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12-12-2004, 07:07 PM
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Oh Souk, didn't mean to trouble you again. I was just looking for others' thoughts on this to put me at ease or help assure me. I'm going back out to the garage tomorrow night to start putting her back together. If you confirm that the oxidation was from the drivers side and we don't have numerous accounts of snapped torsion bars, then I'll stick them in and use them for a summer.
Your thoughts on sway bars are similar to my thoughts on rear axles. Obviously a rear axle sees most of its stress going foward, yet I've never heard of any ill effects of running them on the wrong side. (Yes, I know that you can't swap axles in a traditional differential because of length, but guys have them shortened without marking them quite often.) Again, Souk, no issues here....just looking for answers and wasn't expecting you to answer.
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Luke S. 72 RS spirit 2.7mfi, 73 3.2 Hotrod on steelies, 76 993 3.3efi TT, 86 trackrat, 91 C4s widebody,02 OLA winning 6GT2, 07 997TT, 72 914 v8,03 900 rwhp 996TT |
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12-12-2004, 07:49 PM
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very little twist....
It may not be displacement, it may be strain (or is it stress? I forget). Post what you hear from the metallurgist. (PS we aren't allowed to call them that any more -- they have to be called materials scientists now....).
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"A man with his priorities so far out of whack doesn't deserve such a fine automobile." - Ferris Bueller's Day Off |
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12-12-2004, 09:49 PM
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