That yellow one is as follows:
Engine
930cc Talbot Sunbeam engine, Weber 28/36mm twin-choke carb, Weber manifold, ported Stiletto big-valve head, Piper reground cam, fully balanced and lightened bottom end, Janspeed tubular 4:2:1 exhuast manifold
+ Lightened, balanced flywheel and and Imp 4-speed box
Suspension + Brakes
Spax coil overs at front, and Spax dampers and springs at rear
MkIII Ford Fiesta XR2i vented front discs
Apparantly it revs to 8000rpm - that's about what you want