[Healeys] Coolant

[Oudesluys]

Steve,
What beats me that you ran 50/50 mix (the usual practice) and 
encountered no problems, so why change to 80/20? Just for the hell of it?
Kees Oudsluijs
NL


Steve Gerow schreef op 16-5-2014 16:03:
> I ran 50-50 coolant and purified water for years with no cooling system
> corrosion.
>
>   
>
> Then I switched to purified water with water wetter. In a couple of years my
> radiator clogged with rust flakes and the car started to run hot.
>
>   
>
> There are online forums showing how water wetter turns to brown goop after a
> while; it evidently needs to be replaced every year or so. Supposedly the
> person who designed it no longer works at Red Line. Royal Purple is a newer
> formulation, but it's quite expensive, the Healey requiring two bottles.
>
>   
>
> I called RP's tech support and the engineer told me "filtered" drinking
> water is the best and even tap water is better than distilled water, which
> he said encourages corrosion. The tech support guy said the minerals in the
> water are beneficial in preventing corrosion. IIRC whatever it is that
> causes the corrosion is attracted to these minerals rather than the engine
> block. He advised me, since I live in a temperate area, to run 20% coolant
> and monitor the pH.
>
>   
>
> So now I'm running tap water and 20% coolant.
>
>   
>
> FWIW
>
>   
>
> --
>
>   
>
> Steve Gerow
>
> Altadena, CA, USA
>
> BN6
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