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Paul B.
I have a 1982 Catalina 30 which I purchased last summer. The small 2 cylinder Universal Diesel Model 5411 runs great and is very dependable however it emits white smoke out of the exhaust. I've checked the oil supply and there is no indication of water being mixed in, however, the oil is quite dirty for only 40 hours since the last change. The engine has about 1400 hours showing on the meter. Is this alot of age for this particular engine? Could fuel additives such as BioCon cause this smoking. Would worn piston rings give this kind of symptom? Any Ideas? Thanks ...Paul