Quote:
Originally Posted by navair
I respect Byprodriver's knowledge, but I have had the vertex poly arms on my 02 S for years, and autocross the **************** out of it. They work fine. But, I will put TRW arms in at some point...
|
The Urethane bushing with a steel sleeve are a compromise they allow a little compression and extension. For street use softening the ride, which maybe isn't bad. For track use or autocross that little bit of flex affects toe and caster. This is why serious track driver switch to all mono-balls and solid, and billet bushing inserts. Its like running V and H rated tires instead of Y and Z recommended tires. They drive ok to a point but as you push them the flex isn't there and you experience more push and rear end slip. Continued use at higher speed can break down the side walls or cause tread separation's.
The final analogy is do you want to drive a sports car with the feel of a sports car or a sports car with the feel of a sedan.
__________________
2003 Black 986. modified for Advanced level HPDE and open track days.
* 3.6L LN block, 06 heads, Carrillo H rods, IDP with 987 intake, Oil mods, LN IMS. * Spec II Clutch, 3.2L S Spec P-P FW. * D2 shocks, GT3 arms & and links, Spacers front and rear * Weight reduced, No carpet, AC deleted, Remote PS pump, PS pump deleted. Recaro Pole position seats, Brey crouse ext. 5 point harness, NHP sport exhaust
|