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Re: [GMCnet] Waterless Engine Coolant [message #327574 is a reply to message #327571] Fri, 29 December 2017 15:04 Go to previous messageGo to previous message
emerystora is currently offline  emerystora   United States
Messages: 4442
Registered: January 2004
Karma:
Senior Member


Emery

> On Dec 29, 2017, at 1:31 PM, Dave Stragand wrote:
>
> Here's the sheet:
>
> http://www.hrpworld.com/store/media/media/manufacturer/evans/pdfs/EVANS-
> NPG+C%20-%20Evans%20High%20Performance%20Waterless%20Engine%20Coolant%20
> -%20SDS.pdf
>
> 3. COMPOSITION/INFORMATION ON INGREDIENTS
> Chemical Name CAS No Weight-%
> Ethylene glycol 107-21-1 80-85
> 2-Ethylhexanoic acid 149-57-5 Sodium Nitrate 7631-99-4
> -Dave
> 1978 Transmode (403)
> Iceburgh, PA (Formerly Pittsburgh, but it's pretty cold)
>
> -----Original Message-----
> From: Gmclist [mailto:gmclist-bounces@list.gmcnet.org] On Behalf Of Matt
> Colie
> Sent: Friday, December 29, 2017 10:52 AM
> To: gmclist@list.gmcnet.org
> Subject: Re: [GMCnet] Waterless Engine Coolant
>
> At 40+$/gal I am not sure that I care. I will try to get an MSDS from
> them. (Lord knows I have enough others, but my company @ddress has
> died.) The specs read a lot like straight Propylene Glycol, but to
> charge that much there better be more.
>
> Matt
> --
> Matt & Mary Colie

Why anyone would even consider this is beyond my imagination. These products have been around since I had first joined Dow Chemical out of college in 1964. Dow has patents dating back to that era.

Back in those days they were used in ebullient cooled engines. Those engines were industrial engines that didn’t use a radiator, water pump or any components exterior to the engines. Dow had a series of coolants called Dowtherm. Some were propylene glycol based; some were ethylene glycol based and some were glycol ethers.

Boiling point is actually a protection in motors built for an automobile (or GMC).
Why would you want your engine to heat up 100 or 200 or more degrees than a water based coolant would? Think of the internal expansion of parts from the heat. And the potential wear or seizing up due to that expansion.

Engines that used “waterless” coolants (called ebullient cooled engines back then) were designed to use those coolants — our motorhome engines were not. If any of you are stupid enough (yes, i did use the politically incorrect word stupid)to put it into your GMC engines please let the rest of us know how long your engine lasts.

Emery Stora
77 Kingsley
Frederick, CO
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