Question about RED LINE WATER WETTER.

SF?

 

I calculate that 25% of a 50/50 mix + added distilled water will give you about a 12.5% glycol blend. A 12.5% glycol mix provides freeze protection down to about 25F. This is not safe in areas that experience cold temperatures!

IMHO having 87.5% water/12.5%glycol mix has a higher heat capacity than a 50/50 mix and that is what will give you more heat removal performance. That may be where you get the added cooling performance.

 

I use water wetter in all of my vehicles with great results the key thing is to know what the freeze protection level is in your vehicle.

For example in my cars I run the 50/50 ratio with water wetter added into the cooling system.

On my dirt bikes I run 5% Ethylene Glycol / 95% distilled water and 2oz water wetter per gallon. With this mix I have to run a higher pressure radiator cap as the boiling point is reduced. Also in the winter when the bike is stored the cooling system is drained fully.

Water wetter works as advertised it will reduce your cooling system temps but how much depends on how much ethylene glycol is in the system as it reduced the amount of heat being transferred from the engine block to the coolant.

 

Good points, it is early in the am and I had forgotten about the reduction in boiling point and pressure thing.

 

If you google water wetter you should find all sorts of tests showing that it really does nothing, I use engine ice to replace the coolant in my sport bikes.

Russell

 

Heat transfer to and from a liquid is a function of many properties of the liquid. I would like to cite the ones that enter the computations when one designs thermal systems: Thermal conductivity of liquid; viscosity of liquid, specific heat of liquid; density of liquid; surface tension of liquid (for boiling regimes/thickness of insulating vapor layer). System pressure also affects the situation. The properties are temperature dependent. Then there is the other end of the computation where the liquid must give its energy to the engine radiator followed by the heat leaving the metal of the radiator and being carried of the the passing air flow. The size/shape of the radiator affects all this. If radiator is undersized and cannot reject the thermal energy picked up by the coolant, additives that change bulk liquid properties might not help.

It is a complex situation.

 

I agree with this statement with respect to adding it to a water/antifreeze mixture. I wouldn't say "nothing", but definitely in the noise of what your temp gauge will read. However, if you add it to a pure water coolant system it makes a big difference. Many race teams use it with pure water with as advertised results. Even Redline shows the data to support this.

 

I run it with pure water in my "track car". During the off-season it sits in a heated garage, so I do not worry about it freezing, and am only interested in keeping the temps down while at the track. None of my other cars run water wetter.