Im building a BSP class 370Z Nismo that will be going to SCCA National Tour.. How do the progressive springs on the KW V3 work for street prepared motor sports? I will be using 315 width hoosiers in rear and 295 hoosiers in front. tire/wheel weights of 43 lbs front and 47 rear. My past experience with lesser Variant 2's on a Porsche with progressive springs wasnt very good and I ended up replacing springs with swift springs. Suspect these Variant 3's are stiffer however.
Also how are these noise wise? Are they fairly quiet on the 370Z?
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Grant
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