Reply To: Series 80 Motor, Still Struggling

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Art,

You should not be using traditional antifreeze with your car.

It can cause your car to overheat and spew antifreeze, which is a frustrating MESS.

I believe that a number of us use a combination of Distilled Water (available in gallons at your local supermarket) and an additive called something like PennCool (https://penray.com/product/pencool-2000-engine-cooling-system-treatment/).

Then, you don’t have to change the liquid in your radiator but every zillion years.

It may also prevent the bonding of dissimilar metals

If I am incorrect on this matter, I am confident that someone will chime in.

Peter