Quote Originally Posted by matt5112 View Post
The rotors in the s/c that push more air into your engine making that whining noise as well as making it not a complete dog. Most of them are covered in carbon from the EGR which helps it seal.

http://www.grandprixforums.net/f81/s...car-17482.html
So... We are talking about the supercharger pulley...?

And not a complete dog?? Are you telling me its a good thing or a bad thing...?