Remember that spring rate of the tires is part of the equation. A 19" might have an 80% higher effective tire spring rate than a 17" tire. If I were JD running 19s on the street I would probably always be set full soft PSS9 dampening.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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