My waterlift muffler and heat exchanger have drains. I find that they tend to seize up and not seal properly if not opened frequently. I don't run antifreeze through the raw water side. After the usual oil change, fuel filter change and fresh water flush, I open the drains and let the water drain out.
Petar Horvatic Sundowner 76 C&C 38MkII Newport, RI From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of David Knecht Sent: Thursday, November 14, 2013 9:47 AM To: CnC CnC discussion list Subject: Stus-List winterizing engine I am planning to winterize my engine this weekend and it is the first time with the Universal M4-30. On my older 34, I used to pull the intake hose off the seacock and stick it in a bucket of antifreeze and suck it through until pink came out the exhaust. That was always a pain to get the hose off and find a place to support the bucket and requires two people so I can be pouring while someone else watches the rear. At the Newport Boat show, I saw a booth advertising the Seaflush- a funnel that hooks up to the intake strainer and allows you to put antifreeze in without taking the hose off. A bit of an improvement, but I don't think there is room above the strainer for the device and a jug of antifreeze to allow pouring. All that made me think about a way to make this job easier. My thought is to find a size of Tygon (clear plastic flexible) tubing that that can be pushed into the intake port of the engine from the outside to make a decent seal, then stick the other end of that hose into a bucket of antifreeze. I can sit the bucket on the deck, so it does not have to be lifted against gravity from the ground (although I doubt that would matter). Then I just start the engine and run 5 gallons through watching the outlet port for pink stuff and the level in the bucket. Then shut off the engine. Much simpler and in theory can be done single handed. The key would be finding the correct hose size to fit snugly. Has anyone tried this or have a reason why it should not work? Thanks- Dave David Knecht Aries 1990 C&C 34+ New London, CT
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