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Old 07-06-2011, 08:59 PM   #6
clinebarger
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Join Date: May 2009
Location: Fort Worth, TX
Posts: 6,370
Re: What is the best rad flush for '05 Chevy?

Quote:
Originally Posted by crakarjax View Post
Isn't the block made of iron anyway? I use my tap well water with no apparent issues. I have pretty good well water though, and use a 5 micron sediment filter.
Tap water can be corrosive to internal engine components, and can cause a more rapid depletion of the anti-corrosion additives found in antifreeze formulations. Well water (even with a filter) Is more risky than city water. If you have "hard water" DO NOT use it...."soft water" is better....Deionized/Distilled water is best.
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