The car is currently for sale,
http://www.cars-on-line.com/44846.html, and advertised as a COPO.
I have been contacted by some people who are looking at it. It highly unlikely to be a COPO. Especially since he states above that it came with a small block originally!
He also posted about it here in 2006:
https://www.yenko.net/ubbthreads/show.../Number/196134