Marek:
I use basically the same method as Dwight....bucket with hose in it in
the cockpit with a hose running from it to the intake on the water pump
to fresh water pump.....then let the engine pump the fresh water out and
I put a 50/50 antifreeze in the bucket (2 gallons) but my Yanmar 2GMF
uses about a gallon when it exits the exhaust. The rest get used in the
shower pump and head.
I use about a gallon, maybe a 1.5 gallons of plumber's antifreeze for
the fresh water system. 6 winters....no problems!
Bob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2013/11/14 1:58 PM, dwight veinot wrote:
Marek
I live in what some would call up north and it can get pretty darn
cold here in Jan/ Feb and as I said I use 4 liters of 50/50 mix to
winterize my engine heat exchanger system. The engine block itself
always has 50/50 in it and this year I drained and renewed the coolant
for the first time in 10 years. The heat exchanger system does not
have a large volume and after a thorough fresh water flush you can run
the engine dry long enough to clear some residual water without damage
to anything...then submerge the hose in the 50/50 mix and let her go
until you see the antifreeze color in the exhaust discharge and hold
that for a few seconds...10 years with this boat, same procedure,
never a problem and my water pump impellor just finished year 5, I
think...maybe I'll change it next spring just to give myself an extra
project...I always carry spares...I have the Sherwood pump and aside
from difficulty in accessing the screws (nuts) no problems with it yet.
Dwight
Dwight Veinot
Alianna
C&C 35 MKII
Head of St. Margaret's Bay, NS
On Thu, Nov 14, 2013 at 11:55 AM, Marek Dziedzic
<[email protected] <mailto:[email protected]>> wrote:
I am surprised how little antifreeze some of you use. I put 18 l
(5 US gal - two large jugs) through my engine. At about $10 at
Home Depot, this is a very cheap insurance. Antifreeze mixes up
with water in the heat exchanger and the muffler, so you want to
have quite a bit to flush this out. Diluted AF very quickly loses
its anti freezing properties.
Maybe if you live further South, you don't need to worry. We
regularly have long stretches of --20C to --30C here. I don't want
to risk a $500 repair for $10 worth of antifreeze.
just my 2 cents
Marek (in Ottawa)
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