[C320-list] Engine Winterization

[James R. Harrison]

Our new boat (hull #855 w/Yanmar 3GM30F) was commissioned and delivered (10/2001) with pink antifreeze in the closed system by our Catalina dealer, Tidewater Marina in Havre de Grace, MD. We
were advised to continue using it at a new owners' seminar. We have not had any problems using it. Perhaps it depends on the engine?

Jim Harrison
"Painkiller", Catalina 320, #855
Middle River, Sue Creek, Baltimore Yacht Club

Fred Bruegmann wrote:

> Pink stuff is used routinely to winterize raw water cooled blocks,  it
> just isn't suitable for use as coolant in a fresh water (closed cooling)
> engine.  You really shouldn't use automotive antifreeze as its toxic and
> gets pumped into the water when the boat is first started after launch
> in the spring.
>
> Fred
>
> T. Scott Thompson wrote:
>
> >1.  Pink stuff is fine for raw water side / winterization.  Not suitable for use as engine coolant or to winterize the block.
> >
> >2.  Yes, although you can replace it with pink stuff instead.  Stuff the intake hose in a jug or two and run the engine briefly to do this.  Do that anyhow to winterize the heat exchanger.
> >
> >3.  Will fill itself in the spring!  Provided you open the seacock! Don't forget.
> >
> >Sent from my BlackBerry wireless handheld.
> >
> >-----Original Message-----
> >From: BAdams3491 at aol.com
> >Date: Thu, 17 Nov 2005 15:50:56
> >To:C320-List at catalina320.com
> >Subject: [C320-list] Engine Winterization
> >
> >Two Questions:
> >
> >Nigel Calder says to run the same 'pink' stuff thru the engine to winterize
> >it that we run thru the water system.  The label on the container says "Not
> >for use in engines."  What does everybody else do?
> >
> >Does the water in the aqua muffler need to be drained?  If so, when  starting
> >the engine in the spring, will it fill back up by itself or does it  need to
> >be refilled?
> >
> >Okay, three questions.
> >
> >Thanks,
> >Bert
> >At Ease
> >#442
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>
> --
> Fred Bruegmann
> Staff Technical Analyst
> St. Joseph Technology Center
> Whirlpool Corporation
> St. Joseph, MI 49085
> Phone: (269) 923-3751
> Fax: (269) 923-6117
> Email: bruegf at sjtc.whirlpool.com
>
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