Electric Water Pump damage

[340Cuda]

Originally Posted by Bob Mulry

To protect aluminum the anode has to be more active than the aluminum, which would be a magnesium anode.

To protect iron you can use zinc as an anode.

To protect copper and brass, an aluminum anode will work,

So with a iron block with aluminum heads and water pump I would want one magnesium anode and one zinc anode?

Thanks,
Bill