area six motorsport did a st150 turbo engine and it was the first , there was a massive thread on here about the build and it was fitted with a jwrc bodykit , it was mapped at 320bhp with more but was limited as the owner wanted 300bhp.
i think it was called MADST on the reg.

hers a link http://www.youtube.com/watch?v=2WpYi...1&feature=fvwp

cheers paul