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Posted for Ken Welter <rotary.coot@verizon.net>:
What is everyone using for coolant? Is anyone using Redline Water Wetter?
In the 1000 hrs of flying about half I used 60 percent Sierra propylene glycol and 40 percent water, the other half I ran 100 percent Evans coolant, check out there web site.
They both worked great but the Sierra mix is better for cold temps as I fly in -30 to 40 degree F conditions in the winter so went back to the Sierra mix.
You must be from down south hu.
Ken Welter
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