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Old 03-31-2008, 10:07 AM   #1
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I have the upper track arms, both front and rear and i have to say, that i find it impossible to believe that anyone would be able to notice the car being "Less nimble" with only about 7-12 more lbs. of weight added on the car.

Again i have them on the front and rear of my car and they eliminated the rattling sound and i havent noticed any other new noises as a result of using the track arms.


If you really notice a difference in handling charactoristics, i would check your alignment again.
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Old 03-31-2008, 10:40 AM   #2
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Quote:
Originally Posted by CJ_Boxster
I have the upper track arms, both front and rear and i have to say, that i find it impossible to believe that anyone would be able to notice the car being "Less nimble" with only about 7-12 more lbs. of weight added on the car.

Again i have them on the front and rear of my car and they eliminated the rattling sound and i havent noticed any other new noises as a result of using the track arms.


If you really notice a difference in handling charactoristics, i would check your alignment again.
CJ, yes I did notice a slight difference in the handling characteristics of the car, feeling slightly less nimble. And no, I don't presume it to be from the addition of the 7-12 more lbs of weight added to the car itself, as you say... I could add that with some groceries in my trunk and definitely not notice anything. What I was concerned was about adding that much weight to the suspension itself, which is of course constantly moving.

So, like I said, I don't know if the culprit is the heavier arms adding weight onto the moving suspension, or if the culprit is the need to realign the car, due to the change in suspension, as I don't doubt that my toe, and perhaps even caster are slightly off now. I would try to solve the mystery by getting my alignment done right now, but I have a few more things I plan to do to the suspension and will wait after all the changes to get the alignment.

Does anyone know, from theory or first hand experience, whether adding weight to the suspension with these heavier arms, would cause a slightly slower response and adverse handling characteristics? Perhaps Insite can chime in...
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Old 04-01-2008, 06:49 PM   #3
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Originally Posted by chaudanova
Does anyone know, from theory or first hand experience, whether adding weight to the suspension with these heavier arms, would cause a slightly slower response and adverse handling characteristics? Perhaps Insite can chime in...
Here you go

http://en.wikipedia.org/wiki/Unsprung_weight

Basically, the momentum involved with movement of the suspension parts in reaction to road features can work against the desired motion of the suspension, therefore, less mass, less undesired motion. Can you feel an increase in unsprung weight? It depends on the degree of increase. Does it matter? Absolutely. The tradeoff being that lighter parts are typically less resistant to bending or damage, this is definitely the case when comparing steel parts to aluminum ones.

Last edited by blue2000s; 04-01-2008 at 07:07 PM.
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Old 04-01-2008, 07:10 PM   #4
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Just to add my .02 I have the Tarrret adjustable rear toe arms. The toe arms seemed lighter than OEM parts. Once I added these I was able to get my lowered suspension into OEM specs. Prior to getting the adjustable toe arms I as changing my rear tires every 5k miles. I have 8k on my rears now and they seem to have plenty of tread left.
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Old 04-01-2008, 08:45 PM   #5
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I wasn't aware of this suspension mod. Would it be pointless to add this if your car is still sports all stock suspension parts?
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Old 04-01-2008, 11:09 PM   #6
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Originally Posted by HB.
I wasn't aware of this suspension mod. Would it be pointless to add this if your car is still sports all stock suspension parts?
Which mod are you referring to? We were discussing a few different arms on this thread so far... control arms, track arms/trailing arms, tension rods, toe arms, etc...
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Old 04-02-2008, 12:05 AM   #7
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Sorry, the adjustable control arms.
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