Jack Kretmar Posted July 24, 2003 Share Posted July 24, 2003 I'm posting this in the general forum. In aircraft conversions of the rotary engine, you have to add two-stroke lawn mower engine oil to the fuel. Can this make the engine burn "dirty", causing carbon deposit build-up in the combustion chamber and exhaust port areas? It is my understanding that carbon build-up can cause pre-ignition. Is this a factor, and if so, what can be done about it? Jack Quote Jack Kretmar Link to comment Share on other sites More sharing options...
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