hi you can turbo an rs2000 but your talkin alot of money there was a feature in a ford mag about a red rs2000 with a 2.3 galaxy bottom end turbo'd i think it was over 300 at about 12psi but i could be wrong if you register with
http://www.rs2000-16v.com/ im sure there a turbo conversion guide on there an performance upgrades you can do other than turbo. hope this helps