Good question, Silvino.
See Also
How many miles can I leave Sea Foam in oil? [SOLVED]Difference between Fuel Injector Cleaner and Sea Foam Motor...'Whale vomit' windfall could net Thai fisherman up to $1.2 millionSea Foam Can Damage Your Car — What to Know About the Motor Treatment, ExplainedDo not exceed 1 oz of Sea Foam per quart of oil. If you have more than 2-3 oz total over the recommended amount, I’d change the oil just to be safe. (example: if you added 9 oz to a 5 quart oil system).
Some people will drain just enough to bring it back to the recommended ratio. (example: if you have a 5 quart oil system and you accidentally added 10 oz of Sea Foam (twice the recommended amount), drain half the oil (2.5 quarts), and then fill it back up with 2.5 quarts of fresh oil.
