Originally Posted by F4 Phantom blue angles

Nitromethane by itself is very acidic.However, It makes its own Oxygen when ignited.Oxygen will destroy almost any kind of metal,except for your precious metals,(gold,platinum,silver, chrome,aluminum,(which is't precious) you get what I mean. Anyway, Why would you want to run any engine lean except for: Dragsters,Pylon raceing, and combat. You will only get 2-3 runs out of any engine if you lean out your engine to the max. Otherwise,go easy on your motor. Unless you have unlimited funds! Ha.