Ed Sato wrote:

> Electrolysis only works when youve got a loop for the electrons to flow.
> As long as the H- piece is not grounded to the body. Electrolysis cannot
> take place. If it is the H- piece from a 1.9 it sits between 4 rubber
> hoses right after the expansion tank. Try going to a radiator shop and
> see if they can make one out of brass. Ed

Good point.  I have often wondered whether the radiator is electrically
isolated from the body by rubber mounts, etc.  If so, we would not need to
worry about copper radiators promoting corrosion of aluminum engine parts.

Larry A.