Can I add Sea Foam to my oil crankcase to clean sludge? [SOLVED]

Can Sea Foam go into my oil crankcase to clean sludge?

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Jim D.
Jim D.
7 months ago

Yes, you can add Sea Foam to your oil crankcase. It works to clean away (or prevent) harmful oil residue whether sticky varnish or heavier sludge. Add 1 oz of Sea Foam Motor Treatment (or better yet, Sea Foam High Mileage) to your oil crankcase about 100-300 miles before your next oil change. Add it to every oil interval and it will progressively clean away residues. Hope that helps!