1 THE SINGLE-ROLLER chains wear quickly. If they break or skip a tooth, the valves will embed themselves in the pistons. Check when they were last replaced.
2 ORIGINALITY is a plus point, but an extra electric fan is no bad thing. The standard cooling system is only just about up to the job of keeping the V8 cool.
3 CHECK UNDER the carpets, because leaky windscreen seals can allow water in, which leads to rust in the floorpan.
4 ALSO LOOK for signs of rust in the wings (inner and outer), rear wings/ sill joints, rear subframe mountings and the outriggers.