Quote:
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Originally Posted by Butcher
...and antifreeze aren't really any safer than water wetter in a mixed system. ...
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Many automotive systems are "mixed" (these days typically an aluminum block, radiator and sometimes a brass heater core). The anti corrosion packages in automotive anti freeze at least
seem to do their job. The aluminum in automotive systems is (AFAIK)
not anodized.
I've personally had good long-term non-corrosion luck with Zerex racing coolant, which
may contain the same anti corrosion package they use in their anti-freeze (and maybe not - racing engines come out much more often than street ones so it may be a much more "short term" package). Oh - I'm using the coolant at a 10% mix with distilled water as recommended by
Valvoline. Some of the sites that re-sell it for PC cooling were recommending 5%, which
might be fine.