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+1 on the lightweight flywheel issue. Now knowing I have a powdered crank in there I appreciate the flywheel's rotational mass soaking up most of the engine killing harmonics in my street car. If it were an F-1 motor that only had to go three races I might feel differently.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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