Dave, Brian did answer your question when he stated "Water left in low spots, particularly the muffler."
Next time you have a chance to view the curvature of the hull and compare it to the exhaust outlet, consider that there is a water lift muffler in between the engine and the outlet. Yes the exhaust gasses push much of the water out but only enough to push past the loops seal created in the muffler. Maybe it is enough that freezing isn't a concern, maybe not. Either way water will remain and many of the listers argued that a couple bottles of anti-freeze is cheap insurance. All the best, Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD Nov 20, 2024 08:43:32 nausetbeach--- via CnC-List <cnc-list@cnc-list.com>: > Water left in low spots, particularly the muffler. A gallon or 2 of > antifreeze seems cheap insurance for an engine for me. > > Brian > > *From:* David Knecht via CnC-List <cnc-list@cnc-list.com> > *Sent:* Wednesday, November 20, 2024 8:33 AM > *To:* CnC CnC discussion list <CnC-List@cnc-list.com> > *Cc:* David Knecht <davidakne...@gmail.com> > *Subject:* Stus-List Winterizing the engine > > After winterized my boat I got to thinking about the process of pumping > antifreeze through the engine and water tank system. Some people winterize > their house water system by blowing all the water out of the lines instead of > pumping in antifreeze. If you did the same with the seawater side of the > engine by simple running the engine until nothing came out of the exhaust > hose, wouldn't that work to protect the engine from freezing over the winter? > That might be a problem running a standard impeller in the water pump dry, > but with a run-dry impeller, I don't see why it wouldn't work. Dave > > S/V Aries > 1990 C&C 34+ > New London, CT > > [cid:image001.png@01DB3B28.2B3250D0] > >
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