Nice one martin, is this the spec (from rouse's web site) ?
Engine: 2.5 litre, four cylinder, Cosworth design, 370 bhp at 9000 Rpm, Bosche fuel injection
Transmission: Xtrac 6 speed gearbox, ZF final drive
Suspension: Lightweight components, Bilstein dampers, heavy duty springs, 18" wheels, Dunlop tyres, AP brakes
Fuel System: 110 litre safety tank with dry-break quick fillers,
fuel consumption 7mpg. 

Top Speed: 160 mph