Do not add more than 1 oz of Sea Foam per quart of oil [SOLVED]

Can I add more than 1 oz of Sea Foam Motor Treatment per quart of oil in the crankcase? I have a bad knocking in my 2003 Durango 4.7 V8. Will adding more clean it faster or cause issues?

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Jim D.
Jim D.
6 months ago

Good question, Jeremy.

I would not recommend adding more than 1.5 oz of Sea Foam per quart of oil. Always follow the instructions on the can.