Maybe have a shop scope the offending cylinder and see what's up. If it's just a valve spring it's a pretty easy fix. If a grenade went off in there then swap the motor and keep on driving. Lots of decent motors sitting at dismantlers still for not to much money. I'm not ready to dump the car yet.
Find a local indy shop with lots of 986 experience through your local PCA.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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