LOL! Must have been a hell a surprise finding that an old Land Rover was a bit underpowered. As for burned valves and reconditioning, I would say it's all about doing your homework. And tragic as it may be, sometimes cars break down and they cost money to fix. Isuzu engines? Weren't they fitted by Land Rover at the big building they called a factory?
If you want a high performance 4x4, get something like Lamborghini LM002. If you want a cheap one, get a Lada. If you're a Land Rover enthusiast, suck it up and buy a Land Rover.

