Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - levels of zinc in valvoline racine oil?
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Old 11-21-2007, 09:44 PM
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All oils have Zinc (Zddp) in them, it's just getting less and less. If you want to know 100% for sure what you are getting, call the company because things are changing faster than anyone can keep up with.
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