At 10:42 PM 23/09/98 -0700, you wrote:

>
>OK, how 'bout dropping a chunk of Mg into the (pressurized) expansion tank?
>
>Austin
>
>PS - a few catalogs back, JCW had (on the back cover?) an anti-corrosion
>system that involved anodes + battery power through a 'black box'...any
>thoughts?
>
>
not a good idea, pure Mg would react strongly and be dangerous, and never
throw chunks of any size into you coolant system, because you never know
where they end up. But the idea of a sacrificial cathode and more extensive
grounding have some value.

Bj�rn Ratjen

Mill Bay, B.C. 

1987 Syncro Est Alia (self camperized)
1995 Passat TD
(1982 Vanagon Diesel)
1979 VW Bus (self- camperized)