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171 Posts
Has anyone tried running Royal Purple in their SX? As far as my understanding goes, it has a stupid high phosphorus count that improves (or rather protects) engine wear , as well as being used in like race cars and stuff.
Would this be as good as other oils for preventing LSPI incidences, or should we still use the Penzoil Ultra Platinum?
Would this be as good as other oils for preventing LSPI incidences, or should we still use the Penzoil Ultra Platinum?