There is no product you can dump out of a bottle that will correct design problems (like too small a rad, bad water pump, air locks in systems) etc. Water wetter will reduce the potential "hot spots" in an engine where water alone can actually vaporize without some assistance.Īs always, YMMV. I almost forgot! It works even better with a 50/50 mix of water and antifreeze!ĥ. It is considered "legal" for use in race carsĤ. A water wetter product will significantly reduce internal corrosion within all wetted areasģ. With water wetter, there is no appreciable corrosion evident in a couple of years use.ġ.Use of a water wetter product should reduce temperatures within the cooling system, expect between 5 and 8 degrees CĢ. On a 3.8L with a steel shim head gasket, you will see significant corrosion in less than a month with just water. Red Line water wetter has worked great.the best value is honestly the corrosion inhibitors in the product you don't get that in a rinse agent. The result is a reduced heat dissipation capability of our cooling systems. Part of the concern is that glycol-based coolants are banned and water-only is the rule. I have been building and racing since the seventies.and I have used water wetter in all our cars since its introduction. In my experience you should expect a temp drop of between 5 and 8 degrees C. The result is a marginal cooling system, at least over here where today the temperature is 37 degrees C! Water wetter used in these cars make the difference between boiling over in traffic or getting home. Water wetter is a great product when used to accomodate the marginal performance of cooling systems.here is an example In an Xk-120/140 the radiator is really too small, too far back from the grill opening and the water pump bypass is too large. I own a vintage restoration business and have been racing since the 70's. I have used it for the past 15 years or so. But if the problem is poor flow distribution in the radiator, or it is on the air side of radiator because of lack of airflow/poor air distribution/air too hot, then it is unlikely to have a noticeable effect. If the problem is that the cooling system is simply too small to handle the amount of heat to be rejected, then it may help a little by improving the efficiency of the radiator. So, if the cooling problem is lack of thermal transfer from the engine block to the water or from the water to the inside surfaces of the radiator (usually because contaminated/corroded surfaces or low water flow) then water wetter will help noticeably. Water wetter acts to reduce the bonds which hold this layer together, thus reducing its thickness and allowing better heat transfer. Water Wetter not only reduces cooling system temperatures, but when used with water as a coolant will help prevent corrosion. Where the flow is fast and turbulent the boundary layer is extremely thin, but where flow is slow and smooth it becomes thicker and becomes a hindrance to heat transfer. This layer of water moving at reduced speed is called the boundary layer. The speed then rapidly picks up moving away from the surface into the main flow.
This liquid product can be used to provide rust and corrosion protection in plain water for racing engines, which provides much better heat transfer.
Info: WaterWetter is a unique wetting agent for cooling systems which reduces coolant temperatures by as much as 30F. When water flows though tubes and heat exchangers, friction and attraction between molecules means the water actually touching all the surfaces is virtually stationary. Redline Water Wetter Review - Radiator Additive. Then there's a better chance of deciding if it's going to help the cooling in a particular situation. Point is, don't rule out Water Wetter being a good thing even if the temp stays the same or goes up a little.It might be helpful to explain the mechanism by which "water wetter" improves the cooling system. But this is ok, it then goes on to the radiator to be cooled again obviously. So it actually draws more heat out from those places and hence you may notice a 'increase' in temp at the actual temp sensor. It is becoming more effective at 'wetting' at the very hots parts in the cyclinder head, rather than boiling and losing contact with those surfaces. This is actually the Water Wetter doing its job. One thing that 'can' throw you though, is if you add Redline Water Wetter to a Water only setup, you may see the temp actually increase slightly. And Koyo radiator aside for a moment, you'll likely find that the 'cooler temp' going to Water Wetter is due moreso to the fact that you are using only distilled water, since plain water is better at getting rid of heat that typical glycol coolant.
Yeah that will be my next day, should be hot weather since end of feb so will be interesting to see how the koyo goes.
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