Leaving Sea Foam Motor Treatment in oil [SOLVED]

What happens if I leave Sea Foam Motor Treatment in the oil well past the oil change? (600 miles or 1000)

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Jim D.
Jim D.
5 months ago

Good question. You can leave the Sea Foam in the oil for the entire oil interval – it’s safe and will progressively clean the crankcase. As always, change the oil according to manufacturer’s recommendation or if it gets dirty.