Been slowly finishing my procharger build,got it running today.I hear a noise coming from possibly the blower,like a rattle sort of.I have a video,a crappy one,but ifyou turn the volume up a bit,and ignore the normal blower noise,you can faintly hear it.Its louder in person,looked over the install and didnt see too many things rubbing..lol...need to check it again,but maybe its normal.Here is the video http://youtu.be/SZnfVp5B8Yk