Let me add some other unscientific evidence. If you clean
your kitchen faucet, after a few days you will notice "water
marks", its a white hard crusty substance. After several weeks,
(months in my case) this stuff looks just like the stuff that
causes your head gasket to blow. Just as hard. Same stuff.
               Eric

On Tue, 31 Mar 1998, Ian Cameron wrote:

> At 12:10 PM 3/31/98 -0500, EMZ wrote:
> >     Pure H20 and anti-freeze is the best. Prestone is now selling
> >     water for cooling systems. It is 99.9 % H2O. You can use any
> >     anti-freeze you want, but make sure you use pure H2O with it.
> >
> >     If you do you will not have a problem again.
> >                   ERic
>
> You may be right in saying that water is a critical factor.  It makes sense
> that 'pure' water would be less corrosive than water with a low pH, or
> water with minerals, for instance.  So if someone has been keeping track of
> the replies on the 'head gasket replacement' thread, take a look at the
> locations.  If water quality is a criterion, people liveing here in the
> Pacific Northwet should have no problems, given that our water is very
> soft. (Except, of course, for those who use well water.)
> >
>
>