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Old 07-28-2009
Searunner37 Searunner37 is offline
Doug K
 
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Yanmar Oil Pressure

Thanks for that advice on fuel in the oil. We just ran the engine pretty hard on a ten day cruise around the Delmarva Peninsula with out much wind. I am about to change out the oil with Rotella 15w-40w. We had been using Castrol 15w-40w. The engine is starting to get into the 190 degree range when I run the rpm's above 2200 leading me to think heat exchanger needs to be serviced. I'll change out the impeller as well. I was thinking the high temps may have something to do with a drop in oil pressure.
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