The machinist that I regularly use has urged me to run the engine for no less that 3 hours total. He says it just takes that long to drive out the accumulated moisture in the engine oil.
As an alternative to all this talk of warming up, why not just keep a block heater on the engine? I guess on a mooring this isn't much of an option but in a slip it might be a solution. I have a block heater that I use to keep the condensation out during the winter months. Never thought about using it during the summer. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Jun 20, 2016 11:37 AM, "Franklin Schenk via CnC-List" < cnc-list@cnc-list.com> wrote: A friend of mine insists that you cannot warm up a Yanmar engine at idle speed. When we are still in the slip he puts it in gear and runs at about half throttle. None of the other sailors appear to do this. Unfortunately many do not give the engine a chance to warm up at all. I am open to suggestions and the reason for what you are doing. Frank c/c 29 _______________________________________________ This list is supported by the generous donations of our members. If you like what we do, please help us pay for our costs by donating. All Contributions are greatly appreciated!
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