Rear Spring Rate for Ground Control
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From: Northern WV just south of MD
Rear Spring Rate for Ground Control I have ordered GC kit with 400 lb/in springs and 175 lb/in for the rear. The 175s are on back order but they have the 150 in stock. The shocks are Koni DA. The car is a sunny day drive to work and autox 3 or 4 times a year. I want good street maners. SO Should I get the 150s or wait for the 175. Stock WS6 bar in the back and will stay that way.
THANKS FOR THE HELP
THANKS FOR THE HELP
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Joined: Sep 2003
Posts: 634
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From: Houston
Go with the 150's - You would only need 175 for all out road racing.
You mentioned 'good street manners' - keep in mind that 150's are very stiff for the rear because there isn’t any real weight over them.
I have 500/150 GC’s with re-valved bilstein’s and I would say this is too harsh for most people. I love it though for the way I use the car (sunshine/weekends) because there is ZERO body roll and it carves corners and shreds tires on command.
You mentioned 'good street manners' - keep in mind that 150's are very stiff for the rear because there isn’t any real weight over them.
I have 500/150 GC’s with re-valved bilstein’s and I would say this is too harsh for most people. I love it though for the way I use the car (sunshine/weekends) because there is ZERO body roll and it carves corners and shreds tires on command.
Yeah, go with the 150's, especially with just 400's in the front. It will be more balanced. I'm going to be using 175's with 700's up front, but my car is basicaly just a race car that I can barely stand to drive a short distance to work each day.
And where are the Koni's set? You don't want to use spring if shock damping is what you want, or shocks if you need more spring, which is rarely the case. 400/175 is insane. 400/150 is better, but I'd be running 125's with 400 fronts. Mind you I'd also not allow 400 front unless you were only going to lower the car minimally.
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www.stranoparts.com --814-849-3450
Results matter. Talk is cheap. We are miles beyond the success anyone else has had with the 4th gens, and C5, C6, C7 Corvettes,
10 SCCA Solo National Championships, 2008 Driver of they Year, 2012 Driver of Eminence
13 SCCA Pro Solo Nationals Championships
2023 UMI King of the Mountain Champion
