Here is the same engine, with two different exhaust systems.
The first two vids, in my car, 3" Dr Gas X-pipe, Flowmaster Delta Force 2 chamber mufflers then turndowns behind my 355" SBO
http://videos.streetfire.net/video/Some-older-burnouts-and_6751.htm
Man this is an ooooooold video!
http://videos.streetfire.net/video/My-1978-Olds-Cutlass-by-a_6474.htm
Same setup, from the stands
The third video, 3" Flowtech X-pipe, Magnaflow mufflers, turndowns also behind my 355" SBO in another car:
http://videos.streetfire.net/video/SMucker-Racing-355-Pump_140463.htm