Quote:
Originally Posted by KRAM36
Wait.. if you mix say Prestone with the Porsche oem coolant it will cause "gelling"?
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Not according to Prestone. They state it is compatible with any antifreeze. From what I read, the problem was based on older antifreezes with high concentrations of silicates. Not used in lifetime (current) antifreeze. However, as always, you spend your money you take your chances. Its also wjy I decided to use OEM coolant after a through flush. I'm not sure what is in my P-car as of now.