[C320-list] Antifreeze

[BAdams3491 at aol.com]

My Yanmar guru said the green coolant is fine, and I've been using  it for 
five years without incident.  These engines were made long before  there was 
orange coolant.  However, if you opt to change from green to  orange, it is 
absolutely essential that ALL the green is removed before  refilling with 
the orange.  They are not compatible.
 
Bert
At Ease
#442
 
 
In a message dated 7/10/2009 2:15:28 P.M. Central Daylight Time,  
bstumpp at comcast.net writes:

If I  recall correctly, the Yanmar has some aluminum internals and,
therefore,  requires the orange antifreeze.  Maybe someone could confirm 
this
but  that's the rule I've followed, plus easier to use the 50-50 mix. 

Bruce  Stumpp
#647, Adventure
Maryland 


Message: 1
Date: Fri, 10  Jul 2009 13:10:37 -0400
From: "warren updike"  <wupdike at hotmail.com>
Subject: Re: [C320-list] Fwd:   Anti-freeze
To: <C320-List at Catalina320.com>
Message-ID:  <BAY114-DAV6524EFD674D7CFD3DA306BE270 at phx.gbl>
Content-Type:  text/plain;    charset="us-ascii"

The article on the web site  is very helpful.  I found the antifreeze issue
to be very confusing  given the product changes over the years.  This is 
what
I've learned:  

O Don't mix colors of antifreeze;
O However, there is, apparently,  a type that is compatible with any color; 
O
I always by the 50/50 mixture;  costs more; is less trouble; avoids
minerialized (hard) water sources; O  Any current product marked "extended
life" contains the anticorrosive  necessary for our engines (Perkins or
Yanmar;) O To be on the safe side,  follow the flushing procedure if you 
were
not the one who last changed the  antifreeze; O Always consult and follow 
the
mfgr. instructions.

Once  a year, I drain out 1/2 gal. of antifreeze and replace with new.   I
don't know how kosher this is; but, works for me.

Warren &  Pattie Updike
Catalina 320, #62, "Warr De Mar"
Middle River, Chesapeake  Bay







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