I had a 1990 Checkmate in British Racing Green with a white & green mouldy roof! It was only a 998cc but I did the following:
K&N Air Filter
Tuned Exhaust
LCB Manifold
998 Cooper S Head
1.5 Rockers
Electric Cooling Fan
Modified Carb & Inlet Manifold to Vizzard Spec
Stainless Brake Hoses
EBC Pads
Tantrum 600.4 Power Amp
Alpine Sub, 300W
MB Quart Component Speakers & custom fibre glass pods
Marantz Head Unit & Changer
It used to go like stink!! Easily beat a 1275 and many other hot hatches. Have no idea on the top speed, speedo only went to 90 I think, it just kept on going! Fitted Weller 8 Spokes, didn't handle as well, didn't slide predictibly, steering felt numb, so took them off.
Great fun, I miss it, but it was also a money pit!
I dont have any pictures, because it looked totally standard The rust on the A-Panels, Scuttle, Doors, Boot, etc; fooled a lot of people into believing it was a banger!
It did spend more time off the road than on the road, but that was the whole point… It taught me a lot about cars, and why mechanics hate working on them.