Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

What fuel is used for these engines? Can Coleman fuel be used?

Hi Paul, All of these small model engines should be run on Coleman fuel mixed 15 to 1 with Marvel Mystery Oil. You can also use 100 LL which is 100 octane low lead aircraft fuel also mixed with Marvel Mystery Oil. There are other pure fuels that are good to use.

It is not OK to use automotive gasoline and any other products with ethanol and other poisonous additives designed to be pushed through a catalytic converter at 1400 degrees. While the engine could run, you make an awful mess and risk your health.