Quote Originally Posted by blueguy91 View Post
Vacuum leak from drilled hole in throttle body, like Josh said. ZZP's bandaid is dumb. All that's being created is a lean condition from unmetered air post MAF sensor.

Go get a new throttle blade from a junkyard and have the tune made right, not band-aided like ZZP did to you.

Not sure how many times I gotta tell you this...
Then why does it entirely go away with the belt off the supercharger? And the noise isnt coming from near the throttle body at all either.