I don't know about water wetter (what is it anyway, a surfactant like a mild
soap?) but it's my understanding that plain water is highly corrosive.
Doesn't seem like a good idea for an engine that you're not planning to
rebuild soon...
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Marc Siegel
>
> Has anyone tried using "Water Wetter"? Years ago, when I was racing a
> Formula 440, many of us used it with decent results. I saw a 10 to 15
> degree drop in my far-from-perfect laboratory conditions. I used a very
> high pressure Stant cap and ran straight water rather than a
> water/anti-freeze mix. Pure water transfers heat out faster than the mix
> will, but the mix gives a higher boiling point.
>
> I have not had occasion to use this in an MGB. Has anybody else?
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