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

[Dan Winsor]

And cheaper too!
Dan Winsor
Lucky Devil #109

On Thu, Aug 29, 2024, 07:47 Dan Winsor <dandwinsor at gmail.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
>>
>