And now the question. How would you run-in an engine like this? (It is an RC engine if that makes a difference). I imagine lots of short rich runs?
Mike,
These engines are run-in with a good amount of castor oil (20%+) at an extra rich setting. Run the engine and when it gets warm, pinch the fuel line and let it cool.
Although refering to diesels, the procedure is the same for these cast iron piston/ steel sleeve engines.
http://www3.bc.sympatico.ca/dieselco...ut_diesels.htm