I run PSS9s with stock spring rates. My car is still dual purpose street/track so I don't want it totally tied down. I paid through the nose for setup and corner balance but got excellent results. Several other instructors have driven my car and commented "Wow, this thing is sweet!" So far it is the fastest BSX car in SoCal... until a faster one comes along. My brother and I are in a dogfight for the 2012 Zone 8 championships and he is very quick.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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