Hi everybody I just changed my oil today and used Mobil 1 high mileage with 3x
concentrate rislone then my motor started making a sound! Has anybody else have this experience? The last time I changed my oil I used Mobil 1 high mileage and a zinc additive from Napa and there was no problem. My question is do you think that the rislone 3x is too high of a zinc additive? I think I'm going to change my oil and go Back to the Napa additives. Any thoughts out there from the Jeep universe would be appreciated thanks.

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