No, it is a “fresh water cooled” one. But the cooling water mixes up with 
exhaust gases in the mixing elbow. If the engine is not running, the water can 
(trust me on that (😊)) enter the cylinder(s).

Marek

From: Bill Coleman via CnC-List <cnc-list@cnc-list.com>
Sent: Tuesday, March 4, 2025 9:03 PM
To: Stus-List <cnc-list@cnc-list.com>
Cc: Bill Coleman <colt...@gmail.com>
Subject: Stus-List Re: Seacock Tee for winterizing the engine

Marek, is your engine rew water cooled?

Bill Coleman

On Tue, Mar 4, 2025 at 8:24 PM Marek Dziedzic via CnC-List 
<cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>> wrote:
The only thing that I would add to it is that after the procedure, I open the 
strainer and remove the pink AF from it, so that the strainer does not craze.

I also use a bucket (from Home Depot) and run a garden hose to it and a length 
of hose from it to the water intake to run the engine on the hard. This way, 
there is no pressure at the water pump (experience tells me that it is a good 
thing; a long story). When it warms up, I stop the water flow and pour AF (I 
use about 3 gal, but our winter can get quite cold).

Pretty simple.

Marek Dziedzic
1994 C270 Legato
Ottawa, ON

From: CHARLES SCHEAFFER via CnC-List 
<cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>>
Sent: Tuesday, March 4, 2025 2:50 PM
To: Stus-List <cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com>>
Cc: CHARLES SCHEAFFER <cscheaf...@comcast.net<mailto:cscheaf...@comcast.net>>
Subject: Stus-List Re: Seacock Tee for winterizing the engine

Hey Bill,
If it works, don't change.

I prefer to let the engine pump the pink stuff through the strainer, the hoses, 
the impellor, the heat exchanger, and the lift muffler, and the exhaust hose.  
I hang a bucket under the exhaust hose to catch the first pink stuff, and run 
till the stream is solid pink.  I pour the stuff from the bucket into sink 
drains to winterize the trap, the hose and the seacock too.

Chuck


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