Quote:
Originally Posted by Dale I
NAPA Kool is a surface tension modifier that will release any liquid to smaller particles. They go by many names, and they will work to some degree. They are not the end all of additives that will make all your problems go away, but they don't cause any damage either. If you use the right coolant you shouldn't have any problems, and adding a surface tension modifier doesn't hurt and might help depending on what you think of the science behind it. However, it is not SCA.
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NAPA Kool is relabled Wix Cool. It is a nitrite based SCA that is very similar to DCA-2.