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Re: suspension pros & cons




On Sun, 25 Nov 2001 00:01:54 -0800 "Randy B" <sirocco@telocity.com>
writes:
>Ok Shawn this is where I would disagree.
>I am not an engineer and don't totally understand how the geometry 
>works with suspension travel but...
>If you lower the car so that the control arms (A-arms) are no longer
>parallel with the ground you will end up with severe bump steer. (I 
>know this from experimentation).


I agree, you are no engineer. :)
OK, I understand your point but my 82 has NO bump steer and the control
arms are not level and im pretty sure my car can kick your cars ass in an
autocross which is, by far the most severe suspension geometry test you
can do, right? I don't mean my driving VS your driving. I think ive spent
alot of time to get my car dialed in and since its 400lbs heavier than it
needs to be, I do pretty good with it. (or I -did- until I started racing
the Vette....) Ive heard a million experts tell me that the control arms
need to be parallel to work right. I found different. I found you can go
a little beyond level and it works pretty good. Get the car down somewhat
and get the camber set and the car sticks. Its all about spring rates
too. That's all im gonna say as im building a dedicated FSP car. :) 


>This will happen (the way I understand it) regardless of what type of
>strut/shock/spring/coilover setup you have.


uh-kay. I cant change your understanding. Maybe this will help. 

True or False: Coilovers can lower a car without altering a cars
suspension geometry?
Hmm.. 



>My understanding is that if you want to go REAL low for performance 
>(not
>looks) you must find a way to keep the control arms parallel. (custom 
>wheel bearing housings)
>I KNOW you understand this better than I so you should be able to 
>describe why this is true and how this works.
>Help me (and others) see the light :)


VW's don't like to be really low for performance. Well,I should the
suspension setup on A! thru A3 cars don't like it. At least, they really
don't respond well to the "slamming look of cars performance wise. I
mean, ive got kids telling me that their Rabbit is like on rails and all
he did was cut the coils while in auto shop. They only know what they
experience. if it feels faster then, it feels faster. Doesn't mean it IS
faster/better. And like anything else, there is a compromising point
between a low stance and performance. What do you want more of? You can
go TOO low. yes, id definitely agree with that but there is away to get
both if you want it. (I don't. just know its can be done.) 
Its late, if I missed anything, be sure to tell me. 

Oh, BTW, I like the manifold on your Roc. The removal of the webbing
looks vagely familiar to me... seen it done somewhere before.... hmmm. :)
your welcome! 


Shawn Méze
86' Jetta GLi 8V       84' Scirocco 8V           88' Corvette -SS 30-
82' Scirocco GTi -FSP 54-     79' "Project FSP Scirocco"
The Fastest, Quickest, Cleanest and best looking Scirocco(s) in all of
San Diego!
http://www.Geocities.com/MotorCity/Speedway/1308/index.htm 

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