D, from what i experienced and also heard that is a common problem with the bilsteins, i had the exact same issue and tried everything !! till i just swaped them out !

 

Larry-
I have an 02 as well and suspension is serious lacking on mine - only did the eibach springs. Car cannot handle the power. Unnerving to say the least. I am interested. Can you email me or ill email you. Not sure how that works here.

 

I'm on pss10 and would not describe them as bouncy at all. With stock I could just about throw my Valentine 1 through the sunroof, the front was climbing and diving so much...pss10 solved this.

 

i am currently lookign to get a "budget" street suspension. After hearing negative reviews about h&r springs with stock shocks, I am leanin towards C/Os. It seems that the results are very spread among the same products... this is very difficult..

 

I have FVD Spec PSS9s. I believe they are virtually the same but with stiffer springs, similar to the RUF version of the PSS9s but without the price tag.

My understanding is that PSS9 to PSS10 are virtually identical.

My inclination when I got them was that the car rides smoother AND handles a LOT better.

The PSS9/10 series are known for having limited travel when really lowering the car, so if you are going to slam it, then look at other options where a stiffer spring rate and adjustable collars that will help give you that last 3/4 inch.

From my perspective, the car is as low as I want it. It's already hard not to scrape the front lip.

BTW the car is obviously rear heavy, so "slanting" a bit forward allows for both more travel in the rear and a bit of a "racy" look. Adding rear sway bars effectively raises the rear spring rates a bit more under cornering. All positive.

 

Causes of bumpiness in the front can be a few things, RWD can do it because of the loss of ballast in the front, and springs that are too soft for the dampers making you run the damping too stiff. This means your dampers are supporting the car, not the springs and obviously if you can't adjust the rebound the spring compresses and then bounces back really fast causing the bumpiness. This is a common problem with street suspensions because they come with springs that are too soft for the weight of our cars.

 

heavy what do you think about JRZ ?

 

from what i heard over at switzers they used both and the KW is the way to go, i have the V3 on my BMW. Although on my pcar i love my JIC setup

 

I have heard several stories of the PSS9's adjustment **** getting stuck and you are not able to adjust them anymore. I don't know if they corrected this issue with the PSS10's.