Quote:
Originally Posted by Bob Bidonde
In lieu of antifreeze, I have been running a mixture of Bar's Pelletized Stop Leak and water as coolant for many years without any negative effects. Besides stopping pin hole leaks and coolant weeps, Bar's has a water pump lubricant in it, and it has not once frozen during Long Island winters (temps below 32F).
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I've found that the oil in Barsleaks causes the hoses to swell and go soft, even mushy. I use it as little as I can get away with.