If it was my car (and it isn't) I would not sweat 5w30 oil at all for typical driving. Of course the 24hr Le Mans is out and probably the Pike's Peak race. Modern synthetic oils are light years ahead of standard 30w oil of just a few years ago. Just one guys opinion. Choose wisely.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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