Heres a quick vid I made. Valves full open, just dorkin around. I havent listened to it on rear speakers yet so it might sound like ********************. I used this other persons camera so I have no idea if it will be clear or muffled, or distorted.
http://www.youtube.com/watch?v=yGb5O8XmqqI
I just uploaded it so if its not availible wait a little while.