http://www.nosubstitute.org/events/SdAutox25Mar01/DSCN0047.jpg
I saw that car as well at the San Diego Autocross...wanted to see it run. Too bad it did not. And yes it did have a sign on the switch that said "front machine gun"....
Here are the rest of the AX pics if interested...
http://www.nosubstitute.org/events/SdAutox25Mar01/