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Old 07-06-2011, 02:08 PM   #5
crakarjax
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Join Date: Dec 2009
Location: Kirkland, WA
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Re: What is the best rad flush for '05 Chevy?

Quote:
Originally Posted by clinebarger View Post
Just a tip....Use distilled water when mixing your coolant, Using ANY other water will contaminate the cooling system with chlorine, fluoride, Iron, & a host of other chemicals & minerals.

Ive run several cars/trucks on 50/50 Dexcool/distilled water for a full 150K with no problems.
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.
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