jhammons01 wrote:
Holey smokes.........

The Aluminum gets eaten or dissolved at a fast pace due the electrical currents moving through the engine. We use our block as the ground, CC like to argue with me on this point but no matter, there is a current moving through it no matter how small. It takes very little DC current to Electroplate anything.

It never mattered much when everything was Steel, but when Aluminum components were introduced....ZING!! "Houston, we have a problem"

The import cars had these issues before and then GM found out especially when they went to the Al block (i.e. the Norstar.

This is also why our Heater cores blow out so fast.

and to rap it up, use Distilled water...the lower the particulate count in the water (coolant) the higher the resistivity the lower the Electrolysis or dissolving of weaker metals.