Does using Marvel Mystery Oil in the Fuel accomplish anything?
A. Many of our customers have experienced excellent results with Marvel Mystery Oil in their engines. At the temperatures found in the combustion chamber of a cylinder, MM oil will be vaporized. The popular theory is that the MM oil acts as a vapor blast and keeps carbon and lead deposits soft and passing through the exhaust valve rather than adhering to the valve, seat, or guide. For a more thorough discussion of this topic, take a look at the PiperCub Forum article.
