Iron or aluminum from the block will be taken up by distilled water.
I suspect that this is what he meant by "minerals". The amount that
the water takes up is so small that it seems ridiculous to claim
that any damage could result.
> >OK gang, here's one that ought to be good for a great debate.
> >
> >I was listening to a car repair show in the radio the other day that had
> >a chemist as a guest. They were discussing mineral deposits in the
> >radiator. He said not to use distilled water in a radiator because it
> >would actually make the problem of mineral deposits worse. This is
> >because ( according to him), the water being free of minerals will leach
> >minerals out of the engine block and radiator core in an attempt to
> >balance the chemistry. He called it "hungry water".
> >
> >I'll bet someone on the list has an opinion on this.
> >
> >Ready, set, go....
> >
> Horse Pucky . . . .
>
> Turbine systems in electric generating plants and ships
> go to tremendous lengths to rid boiler water of ALL
> things NOT water . . . contaminant ranges from 25 to 50
> parts per MILLION are the goals. . . . minerals in the
> block? What minerals? I'd like this guy to show me (1) an
> metalurgical analysis that shows where these minerals
> reside and (2) explain how the molecules "migrate" from
> within the alloy to the surface where this "water with
> an appetite" is to be fed.
|