As an Engineer this makes interesting reading.......... has anyone here taken an engine that has been thrashed from cold or left ticking over to 'warm up' apart and seen what it does to the movey up and downy roundy roundy bits? (pistons with the load face scratched to hell, goosed rings, big ends and mains with little or no white metal etc etc and not forgetting exhaust valves and stems choked in carbon.
Best advice is to go from cold keep to mid revs and don't labour the engine (i.e make it work unnessicarly (*sp) hard).
Have fun......... Untill you need a rebuild.
Sven