I’ve also done the “tests” and while the results are by no means scientific, they showed absolutely no difference in coolant temps with Water Wetter. Magazines test (excluding Consumer Reports) contain few facts and many paid advertisements.
You may (or you may not) want to take a look at what these guys have to say.
http://www.stewartcomponents.com/tec...ech_Tips_4.htm
They are the foremost authority on high performance automotive cooling systems and helped developed the technology used under the hoods of every Cup, Busch, and Truck team, as well as in many other motorsports today.
Discounting their research and development based on magazine article (or Club Cobra thread) would be like disregarding the Mayo Clinic based on the advise of a faith healer. But hey, never underestimate the power of faith.
