Hi Rob, I was told by more than 1 mechanic to be very careful about never over-filling the oil in my 3GM30F.. In fact they recommended keeping it between the middle and about 2/3 full level on the stick. The reason for that is to avoid a run-away engine condition..
Apparently the excess oil can get splashed by the piston skirts and somehow make its way into the combustion chamber / burn away without throttle control. I was even advised to keep a rag handy near the engine to stuff it into the air intake and stop it should all else fail.. I am not speaking form experience, but I was told it happens more often than one might think. Best regards, -Francois Rivard 1990 34+ "Take Five" Lake Lanier, GA >> Mike: >>Along the line(s) of what Rick was saying about oil levels, I'll add >>this. My Yanmar 2GMF manual says to put 2 litres of oil in the engine >>after an oil and filter change.....the 2 litres will bring the oil level >>on the dipstick to the full mark only if I use a Yanmar oil filter, >>which is quite small. >>I use a NAPA 1064 Gold Seal oil filter which is larger than the Yanmar >>is and obviously size and 'volume' of oil it can handle. Therefore, I >>need more than 2 litres when I use the NAPA filter to get the dipstick >>to read full How much more exactly?......I haven't measured it >>exactly.....I just add the extra oil beyond the 2 litres until the >>dipstick reads full.....more often than not since I am not exactly >>measuring the extra oil beyond the 2 litres, the dipstick reads slightly >>above the full mark. After reading all these comments about oil levels >>in the marine engines, I don't think I will fret about the oil level a >>little above the full mark. >>Just something else to think about. >>Are you back at the club? >>Rob Abbott >>AZURA >>C&C 32 -84 >>Halifax, N.S.
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