Looks like a shitter... once a shitter always a shitter imo. If you're gonna spend ££££'s making it better you should of just bought a nice one in the first place.
Bonnet Pins... been driven hard, a lot, round a track I bet, if so, what's the clutch, brakes, fluids, internals like... relisted, I bet someone thought they were getting a bargain till they went to pick it up and they thought "f**k that".