Thread: help me identify this sound please!

knockingnoise.flv - Video - Photobucket - Video and Image Hosting

sounds like ur exhaust system is hitting somewhere. you might have a mount going whick is making your engine move a little more than if should. might explain why it dosen't happen in reverse either it pulls away from the bottom of the firewall.

just my .02.
You did a hell of a job on the vid. great work.