[C320-list] FW: Re: Engine AntiFreeze

Russell Monaco russgm at yahoo.com
Thu Apr 20 08:08:39 PDT 2006


along these lines-as someone who has never done anything but "top off" the anti-freeze...how do you drain the anti-freeze on the yanmar engine (is this the valve with a clear tube)??  and where do you put the anti-freeze while draining??, and then what do you do with the anti-freeze once removed.....
  russ monaco

jonvez at comcast.net wrote:
  I use the regular Prestone green...I did recently 'upgrade' the the premix version, so I don't have to do the hydrometer thing to get the 50/50 mix right...I change every fall before layup with all other fluids....

Jon Vez

-------------- Original message -------------- 
From: "Chris Holt" 

> It sounds like some of you use the green stuff. What do you use? 
> Just any old car antifreeze. 
> 
> Chris 
> #447 
> 
> ----- Original Message ----- 
> From: "Karl Mielenhausen _/) " 
> To: 
> Sent: Tuesday, April 18, 2006 6:48 PM 
> Subject: Re: [C320-list] FW: Re: Engine AntiFreeze 
> 
> 
> > 
> > OD, 
> > 
> > 
> > 
> > I posed the exact question to Mack Boring... why change from green if we 
> > are supposed to (and do) change coolant every year or two anyway? 
> > 
> > 
> > 
> > Karl Mielenhausen 
> > 
> > 2000 C320 Hull#690 "Silver Lining" 
> > 
> > New Bern, NC 
> > 
> > http://members.cox.net/mielen/ 
> > 
> > 
> > 
> > From: Orlando.Duran at AveryDennison.com [mailto: 
> > Orlando.Duran at AveryDennison.com] 
> > 
> > To: kmielen at iwon.com, C320-List at catalina320.com 
> > 
> > Date: Tue, 18 Apr 2006 15:23:13 -0700 
> > 
> > Subject: Re: [C320-list] FW: Re: Engine AntiFreeze 
> > 
> > 
> > 
> > Karl,

You have a lot of research time on your hands!! :)

My 
> > questions is, if you were to change your coolant each year (which I do), 
> > why would you need an 'extended life' coolant? Is the change worth it? 
> > 

cuba libre 
> > 2
--------------------------
Regards,
OD

Sent from my 
> > BlackBerry Wireless Handheld



----- Original 
> > Message -----
From: C320-List-bounces
Sent: 04/18/2006 03:03 
> > PM
To: C320-List at catalina320.com
Subject: [C320-list] FW: Re: 
> > Engine AntiFreeze


The DEX-COOL-type antifreeze that Yanmar now 
> > apparently recommends would be the ORANGE antifreeze. Dexcool is an 
> > OAT-based extended-life coolant (OAT stands for Organic Acid Technology). 
> > DEX-COOL is a trademark of General Motors. Look for "DEX-COOL approved" on 
> > the label. Some brands are: Prestone Extended Life 5/150, Havoline 
> > DEX-COOL, Zerex Extreme Life 5/150, Pennzoil® DEX-COOL® Extended Life. 
> > DEX-COOL-type antifreeze is a ethylene glycol, diethylene 
> > glycol blend without silicate, phosphate, or borate inhibitors. 
> > 



The RED antifreeze is an extended life coolant also, but 
> > does NOT carry the DEX-COOL label. It appears to be ethylene glycol based 
> > with the OAT inhibitors.



>From what I have read, mixing the 
> > orange with residual green can cause cause dilution of the OAT inhibitors 
> > at best and precipitation of the EG's silicates at worst. In other words, 
> > make sure all traces of the green is gone. I would expect red to have the 
> > same problems since it is OAT-based. I've seen some hybrid formulas 
> > marketed as being compatable with all types. I believe the hybrids are 
> > YELLOW!!



DO NOT CONFUSE ANY OF THESE WITH THE ANTIFREEZE 
> > SOLUTIONS USED TO WINTERIZE (FREEZE-PROOF) WATER LINES.



I 
> > am confirming Yanmar's recommendations with an email to Mack Boring 
> > tonite. Will report on what they have to say.



Karl 
> > Mielenhausen

2000 C320 Hull#690 "Silver 
> > Lining"

New Bern, 
> > NC

http://members.cox.net/mielen/



From: Russell 
> > Monaco [mailto: russgm at yahoo.com]

To: 
> > C320-List at catalina320.com

Date: Tue, 18 Apr 2006 13:42:34 -0700 
> > (PDT)

Subject: Re: [C320-list] Engine AntiFreeze



me 
> > too...by the way i have read all about the difficulty in switching over 
> > too, i just wonder, what would really happen if you just mixed the two? 
> > anyone know? would it explode or something?
russ monaco

Chris 
> > Holt wrote:
What do people use for 
> > antifreeze in their Yanmars?
I know about the red Dexcool stuff but 
> > right now I have the green stuff and I don't want to switch over (at least 
> > not right now).
I just need to "top it 
> > off".

Thanks,

Chris
#447
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