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Posted by David Sherman [72.47.9.228] on Wednesday, November 10, 2010 at 12:53:42 :
In Reply to: 318 waterpump question posted by Chewie [207.199.226.9] on Tuesday, November 09, 2010 at 23:13:43 :
Have heard good things about adding an ounce or so of soluble oil, like you mix with water to use for coolant on metal cutting tools, to the coolant as a rust preventative and general preservative. That small amount of oil isn't enough to affect heat transfer. I've put it in a couple of rigs, but can't remember which ones and can't tell if it did any good or not.
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