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Old 11-02-2003, 09:40 AM   #1
kfoote
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Slash Ten - FBHIC

Thumbs up Bilstein PSS9

I just installed the Bilstein PSS9 kit for the 2002+ WRX on my STi yesterday. I have pics and will post links when I get them up. My inital impressions are that the install was surprisingly easy, I didn't run into any unexpected problems with fittment. The spring rates seem to be a bit soft in the front, but that could be due primarily to the extra front weight of the STi over the standard WRX. I also would reccommend either 10mm or 15mm spacers in the rear for clearance to be able to lower the car more, though in 50 mi. of driving there was no rubbing or other random problems. I haven't palyed with shock stiffness settings at all yet, but it's on the agenda for later today. Ride quality is excellent, and at worst is the same as the stock STi.
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Old 11-04-2003, 11:19 AM   #2
STI4ME
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What spring rates did it come with? Hope you have detailed pics of the main components.
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Old 11-04-2003, 02:56 PM   #3
kfoote
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A pic of the kit can be found here

Spring rates are 400 lbs/in F and 365 lbs/in R, I'm going to try a stiffer spring in the front, but I think that will only work for the heavier STi. Also, the necessity of spacers is likely unique to the wheel/tire package of the STi. I have now played with the shock settings a bit, and at 9 (softest) the front shocks are underdamped, and at 4 they are overdamped, so there is some room to play with. The front shocks are 60mm ID so they can be changed easily, but for some reason the rears are 70mm ID (bizzarre), and are harder to find replacements for.

Last edited by kfoote; 11-04-2003 at 03:06 PM.
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Old 02-27-2004, 08:01 PM   #4
WillysPU
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Bump to hear how you like these?

Are they performing alright?

Have you taken them to the track?

How much did you lower the ride?

What other suspension mods do you have?

What is the attached box unit?

Looks like these are becoming more available and I would love to hear more feedback.

thanks!

Jim
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Old 03-17-2004, 10:56 PM   #5
banpreso
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where did you get those?
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Old 03-18-2004, 12:03 AM   #6
WillysPU
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You can find them here. PSS9

They also have them here, and maybe for lessbimmerparts.com

I have emailed Kevin about these shocks several times, he seems like a great guy and knows alot about the shocks. Unfortunately, they are just too expesive for me right now.


Jim
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Old 03-23-2004, 05:17 PM   #7
kfoote
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Thanks Jim!

I apologize, I was in Sebring last week and am still catching up, and here are the answers for all to see.

I have run the car in an ice/snow rally-X, but have not had it on track yet. To this point, the issues that I have had are all relatively minor. On very rough roads, they can clunk as a result of the tender springs going into coil bind. On smooth roads, even when cornering hard, the clunk is not there. FWIW, the area I live in (North of Boston) has about the worst roads I have ever seen.

I have run different front ride heights, and the approrpriate adjustment range seems to lower the car between 0.75 and 2.25" in the front. The rear does have a clearance issue that I am still working on, but it looks like once those are fixed, the rear lowering will be about 0.5-1.75" lower than stock. Currently, I am riding at about 1.25" lower in the front and 0.5" lower in the rear.

This and snow tires are currently the only mods to the car I have.
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Old 07-17-2004, 03:36 AM   #8
Chaste Automotive
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Any updates?
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