Go here http://www.fastcougar.com/forums/categories.cfm?catid=48

And click on the link for the Turbo FAQ and enjoy. Since you have a return fuel system and an ATX it's a little easier and harder to turbo, but the basics are the same. Lentech transmissions made a custom ATX for focus-power.com and it just ran 11.88 at the last Ford Fun Weekend. Not cheap though.

2000 Rio Red I4 Cougar 200whp & 210wtq at 9psi 254whp & 276wtq with NX 35shot WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip