"Well you are completely wrong.. but whatever.. I'm done arguing this subject."
Ed is one of the most knowledgable persons on these cars so I'll let him take a breather and give out some basic info.
Victor, no disrespect to Jamie Jarvis' car, it is quite fantastic, but it is "a mail-order" car. I don't believe it has ever been to the Motion Performance shop in Baldwin, NY.
It is an excellent example of what you could build yourself using Motion parts. It is NOT one of the 10 (?) GT's built by Joel Rosen. See an excellent article covering this car and it's history in the NOV07 Corvette Fever magazine.