[C320-list] Alternative to antifreez in the sea/lake water cooling system

[KEN GEIGER]

Dan, can you find and post a link to your article.
Thx
Ken GeigerNorthern Dream #765 2000

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  On Thu, Aug 29, 2024 at 7:48 a.m., Dan Winsor via C320-list<c320-list at lists.catalina320.com> wrote:   Been winterizing Lucky Devil without antifreeze for over 20 years without
issue. Wrote article for tech issues on 320 website. It's EZ, it's safe,
it's better for the environment, it improves your knowledge and abilities
on the boat, it increases your awareness of conditions on the boat.

On Wed, Aug 28, 2024, 22:37 Troy Dunn via C320-list <
c320-list at lists.catalina320.com> wrote:

> John
>
> If you go look on the yanmar forums I think the consensus on these kinds of
> ideas is that there are too many areas where water is too hard to vacuum or
> blow out so you risk freeze damage in those areas.  I think that’s
> probably too high cost to risk  for raw water cooled engines.  For
> freshwater cooled engines you are probably looking at damage to the heat
> exchanger for the most part which is a lower cost repair.    The price of
> antifreeze has not yet gotten so outrageous that I would recommend this
> approach.
>
>
> YMWV
>
> Troy Dunn
> Hull #514
>