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Cup car shocks on a street Gt3

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Old 07-24-2006 | 02:31 PM
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Mike K.'s Avatar
Mike K.
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Default Cup car shocks on a street Gt3

for track purposes only. Has anyone else tried this? I have a set of Bilstein shocks( fresh rebuild) from a 2000 cup car, along with 1200lb back and 1000lb front springs. Added Mono ***** and Tarret toe link in the back. I had a really bad bounce, in the back, at first with a ride height of 102mm Fr and 108 mm Back. I lowered the rear perches 6 full turns and it seemed better but the front felt bouncy. Lowered the front 5 turns and it is slightly better. I may lower the front a bit more and try again but the back is about as low as it can go without hitting the fender. I noticed that the Bilsein cups were shorter in the back than the originals. Was I only riding on the springs or are the shocks badly valved? Any experience or advice?
Old 07-24-2006 | 02:41 PM
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Mike K.
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Just to add I read the post by Cosmo titled
"Just bought Cargraphic's coilover system" from 8-25-2005
(couldn't find a way to link it).
Old 07-24-2006 | 03:31 PM
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Originally Posted by Mike K.
Any experience or advice?
yes..stop modifying the car and go back to courtney so he can fix your problem..
Old 07-25-2006 | 03:51 AM
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I do not think the car should be that low..geometry issues...then get it corner balanced..with a good alignment and that spring rate is realy high. go with something lower..my 600/800 rates work realy well..car is stable at speed.

For valving you can call a shock guru Joe Stimola.. I think that's his name ..do a search.

What tire are you using? for that kind of set-up you would need something very sticky..to get the car to respond.



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