'Can run' is pretty meaningless. Will it run for 10 years? What does the extra maintenance cost? The fouled valves, the overheating damage? Gasoline is refined

'Can run' is pretty meaningless. Will it run for 10 years? What does the extra maintenance cost? The fouled valves, the overheating damage? Gasoline is refined because engines can run on that efficiently for long periods of time. But anyway its a fun experiment.