[C38] Fwd: Red or Green Engine Coolant?

[William Knowles]

Mine is greenish yellow!

Bill

On Tue, Jan 29, 2013 at 5:09 PM, Max soto <maxsoto at gmail.com> wrote:

> Peter Lagan wasn't able to post on the Listserve, so here's his email:
>
> Which engine coolant should our 5424 engines use...Green or Red? Is one
> Ethylene and the other Propylene (Dex)?
>
> I'm in the process of re-plumbing the Hot Water Tank to be heated from
> engine coolant instead of the hydronic Espar heater. When breaking into the
> coolant lines, I collected a bucket of red coolant. A few years ago when I
> replaced the water pump, I mixed green with the red. Now that I read about
> it, these two should probably not be mixed. The more I read, the more
> confused I get.
>
> I'm guessing that best practice would be to flush out all of the red
> (should I remove the thermostat to do this?), and replace with green.
> Perhaps higher silicates in red help against corrosion protection for any
> aluminium parts? Any thoughts?
>
> Thanks in advance,
> Peter
> Gusto #333
>
>
> Peter, I haven't studied coolant carefully.. I have just been using the
> one that says "FOR DIESEL ENGINES" (red) without anymore thoughts...  It
> will be interesting to learn a little bit about it! Looking forward to
> Tom's  comment here!
> Regards, Max
>
> Begin forwarded message:
>
> *From:* Peter Lagan <plagan at shaw.ca>
> *Date:* January 29, 2013, 3:55:05 PM CST
> *To:* maxsoto at gmail.com
> *Subject:* *Fwd: Red or Green Engine Coolant?*
>
> Hey Max,
>
> Just wondering if this came through...I still can't post on the Listserve.
> Any ideas on coolant?
>
> Thanks,
> Peter.
>
> ----- Forwarded Message -----
> From: "Peter Lagan" <plagan at shaw.ca>
> To: "Catalina 38 Listserve" <listserve at catalina38.org>
> Sent: Tuesday, 29 January, 2013 10:13:00 AM
> Subject: Red or Green Engine Coolant?
>
> Which engine coolant should our 5424 engines use...Green or Red? Is one
> Ethylene and the other Propylene (Dex)?
>
> I'm in the process of re-plumbing the Hot Water Tank to be heated from
> engine coolant instead of the hydronic Espar heater. When breaking into the
> coolant lines, I collected a bucket of red coolant. A few years ago when I
> replaced the water pump, I mixed green with the red. Now that I read about
> it, these two should probably not be mixed. The more I read, the more
> confused I get.
>
> I'm guessing that best practice would be to flush out all of the red
> (should I remove the thermostat to do this?), and replace with green.
> Perhaps higher silicates in red help against corrosion protection for any
> aluminium parts? Any thoughts?
>
> Thanks in advance,
> Peter
> Gusto #333
>
>
> _______________________________________________
> Listserve mailing list
> Listserve at catalina38.org
> http://catalina38.org/mailman/listinfo/listserve_catalina38.org
>
>


-- 
W H Knowles
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