waterless radiator coolant

On a 4WD program on community access TV, there was some dude spruiking this product. Sounded like bulk technobabble. Rather expensive, and you have to use a dewatering flush first, so get a fatter wallet.I looked at website, and it does not state the specific heat of the patented sythetic potion. As far as I know, there is not much with better specific heat than water. Liquid ammonia does, but not much use in hot engines. Adding sugar or methanol improves the specific heat of water. Also probably not good for coolants.

Reply to
pedro1492
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Well, you could in fact just use pure glycol, 100% prestone with no dilution, and have a waterless coolant. I don't know what that would buy you unless you're in antarctica, though.

--scott

Reply to
Scott Dorsey

Adding water to ethylene glycol suppresses the freezing point of the solution to a lower temperature than that of pure glycol.

Reply to
.

Waterless coolants are used in applications where you don't want water in the system. Also some liquid cooled motorcycles run it because the lack of water means you get less corrosion and less chance for steam cavitation.

I run Evans in my Yamaha Venture to eliminate cooling issues. It shows much better overall cooling with no hot spot effects like I was getting with conventional coolant. I've seen no electrolytic deterioration of materials either. With conventional coolant they tend to run very hot in stop/go type traffic, to the point that people install cooling fan override switches to run the fan full time.

I know several Wing riders who run it as well, for the same reasons.

The main reasons water is used as a coolant are simple - it's cheap, plentiful, and it works to an extent, BUT it needs additives to make it usable year around and to increase it's boiling point so it can be used in a closed system.

Reply to
Steve W.

As an additional item

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Reply to
Steve W.

Last time I looked into it the only significant advantage I could see over regular coolant was that it had a much higher boiling point. That let you run the engine at much higher temperatures without fear of it boiling over, either a general boil over, or little boiling hotspots at the really really hot spots inside the engine. The stuff was so expensive it wasn't worth it to satisfy my curiosity.

Reply to
Ashton Crusher

OTOH, I like the idea of having a non-pressurized cooling system. You never quite forget your first time - the first time you open the radiator cap on a system that's under pressure, that is! :-)

Reply to
dsi1

Use a rag and keep your head out of the way and slowwwwly turn the radiator cap counter clock wise one notch.

Reply to
JR

These days I just squeeze the upper radiator hose to check the pressure and wait if it's too hot. These days, I got more patience. The rag method would work well for young whippersnappers what can't wait. :-)

Reply to
dsi1

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