Hyper,
Here's a
rough idea of what the engine should sound like. Again, this is pretty basic as the engine still needs to be tweaked a bit however you can get an idea of what it should sound like.
http://home.comcast.net/~dagass/JD_8_port_2.MPG
Now if you really want a treat, ask Bowtie to post his WS7 making some noise! That would be awesome!!!