If you bore a cylinder block, or turn brake rotor/drums, then rinse them with water, as soon as they dry there will be
orange spots where the drops were. Ferrous Oxide! Those parts are cast iron, but the same happens to machined steel. Add
methanol to the equation and the problem is exasperated. As WR said, remove as much fuel as possible, and oil generously. If the engine is off the plane, seal in a ziplock baggy. No matter how dry your house is, that alcohol will suck the moisture right out of the air and into your engine. Ross