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Old 10-09-2016, 12:05 PM   #31
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Join Date: May 2010
Location: Oshkosh, Wi
Posts: 3,602
Default Re: Foaming/cavitating coolant in my 34

I have the same problem with my 39. It has an original radiator with the overflow off of the top tank. It will foam and spill out the overflow with an antifreeze mix. Plain water - no problem.
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