Anyone know Greg Armstrong?

I'm trying to do research on a particular Lamborghini, the Diablo SVTT. I've pretty much tracked the history of the car, but I was hoping to learn more about the twin-turbo set up. There is a plaque on the engine bay that says "Designed and Constructed by Greg Armstrong Exclusively for Brian Stearns." Does anyone know Greg Armstrong or a way to contact him? I've done some searching on google but I haven't really come up with anything. Also, if anyone knows any information about this car, I'd love to hear it.
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Thanks. I actually just found the number from the mapquest yellow pages.

 

That's me - what I posted on the forum was just my initial reactions to driving/riding in the car. I'm going to do a full-on feature article on the car with the history of the car and info on the turbo set up. I'm going to pitch the story to a few magazines and see what they say. If anything, the article will be posted on my site.