holy crap i actually found the article online under modified mag. Turns out a miata was at the root of the original disco potato turbo...and like most SCC things its involved not only dave coleman but mike kojima as well...man i miss the old days lol:
http://www.modified.com/projectcars/0306scc_project_nissan_silvia_part_2/index.html
http://www.modified.com/projectcars/0306scc_project_nissan_silvia_part_2/index.html