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Boxster Coil Over Kit


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OK - getting this Boxster prepared as an ITR racer for SCCA. The cage will go in last as I will be enjoying the car while building it out.

I'm a fan of Bilstein and run those in my GT1 car but I don't know if the PSS9 is the kit to buy - I've seen some prices over $2K for the kit and am interested if there are better deals out there.

I've also seen some kits in the $1200 range - price is right but are they comparable to the Bilsteins? I'm not going to go for JRZ or Motons or Penske - I'd put that kind of money in the GT1 car.

Any suggestions on a swaybar kit? How about strut tower braces? Final effort would be delrin bushings or aluminum - anybody go that far on one of these cars? I've sorta given up on all the BS I hear about power increased from exhaust and intake - doesn't seem like any gain over 10 hp is realistic and for some huge money - I'm going for the handling first.

Is anybody familiar with these kits? This includes the camber plates.

http://www.raceinspired.com/ps-8744-176-d2...er-1998-up.aspx

Or this kit

http://www.weaponspeed.com/PORSCHE-BOXSTER...ng-p-24220.html

Any suggestions would be most appreciated. This is for the track - comfort is not a focus.

Why work when you can shop the web for toys???? :clapping:

Ben

Edited by benspeeder
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  • 3 weeks later...

PSS9's are only good with springs of up to around 500lb/in. if you're building a dedicated ITS car, you may want stiffer springs. if this is the case, you'll need to move to different dampers. the K-Sports and D2's are both essentially JIC/Cross. they are available in any metric spring rate, which is nice. i don't know of anyone who's put these on a shock dyno to figure out how much they vary from unit to unit or how closely their adjustable settings are matched to one another.

i THINK the D2's are adjustable for rebound and compression, while the K-SPorts are compression only. i tried to confirm this with D2, but never received a reply.

if it were me & i wanted to be competitive, i'd buy a set of PSS9's (maybe find some that are used and shot out) and have them re-valved to work with stiffer springs. i'd then order some eibach constant rate springs (the PSS9's are progressive rate) and add camber plates. it's a lot more expensive route than the D2's or K-Sports, but probably will work out better in the long run.

alternatively, you can try the D2's or K-Sports & sell them if you hate them. a lot of people over at 986forum.com have tried them out (on the street mainly) with positive feedback.

Edited by insite
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