Sea Foam in synthetic oil [SOLVED]

Asked by Derrick E. In Illinois

Is Sea Foam High Mileage safe to be added to full synthetic oil? The car has been using full synthetic since its second oil change.

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Jim D.
Jim D.
2 years ago

Thanks for the question, Derrick. Sea Foam and High Mileage can be used in ANY gas or diesel motor oil, conventional or synthetic!

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