Quote:
Originally Posted by franksford
Reverse osmosis water may not be your best choice. Water that has been striped of all it's elements will want them back and will go after the softest metal first. You want water with a neutral PH of 7. Any thing less is acidic, not good for aluminum heads. Anodes in the radiator will be a big help, zinc or magnesium is best along with the proper antifreeze. I used to work with DI ultra pure water and was amazed at how aggressive it was and how it rusted the best tools we had. Just my thoughts. Frank
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What gets you the neutral ph? Distilled?