spdracer@mail.utexas.edu wrote: > turbo. It only seems to occur at idle and it only happens every 10 or so > seconds. My oil pressure and oil level are fine, didn't rev past 7k, stock > boost pressure, and I've driven the car a lot harder than this before. I never Get a stethoscope and use that to track down where its coming from. My BOV makes a sound similar to that. It's quite annoying. RK