I'm paranoid but I pull the thermostat before I run the antifreeze through (put it on my keychain to remember it next spring, along with the old impeller and the knotmeter paddle throughhull). I winterize on a cradle and don't run the engine long enough to warm it up... and worry that some internal engine passage might not get antifreeze with a closed thermostat. Gets cold up here. Takes two minutes and I sleep better.
Nate "Sarah Jean" 1980 30-1 (2qm15) On the hard at Siskiwit Bay Marina Lake Superior From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Prime Interest Sent: Friday, October 19, 2012 10:46 AM To: cnc-list@cnc-list.com Subject: Re: Stus-List Winterizing a 2GM20F That's the general idea. I have a bucket with a fitting and hose attached near bottom edge. The hose fits inside the raw water hose taken off the seacock. I set the bucket on the quarter berth, fill it up and start the engine. I'd be surprised if this took more than a minute but in any case wait for the antifreeze to show up in the exhaust. The advantage of the bucket is the extra hose length and you get benefit from having it above the normal waterline. I then open the drain valve/stopper on the bottom of the raw water filters for the winter. You can decide if you want to take out the impeller for the winter. ed ________________________________ From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Sébastien Lemieux Sent: Friday, October 19, 2012 10:53 AM To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> Subject: Stus-List Winterizing a 2GM20F I'll be winterizing my 2GM20F for the first time tomorrow (saturday) and would like some advices on the practical way to fill up the raw water circuit with antifreeze. I plan on detaching the intake tube of the raw water circuit from the seacock and putting it in a bucket filled with antifreeze (I'm aiming for 2 gallons, is that enough?). Then, I assume I need to start up the engine and wait until antifreeze comes out from the exhaust thruhull. Should I just crank up the engine (with decompression lever open)? If I need to start the engine, how long should I expect to it? Do you leave the tube in the bucket unattended while you stand near the control panel to stop the engine? Thanks in advance! Sébastien Lemieux Merlot X - C&C 30 mk2 1987 Mooney Bay - Lake Champlain
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