Sea Foam in oil – 5.4L Ford engine [SOLVED]

Can you leave Sea Foam in oil for 3000 miles? I have a 5.4 liter Ford gas engine.

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Jim D.
Jim D.
2 years ago

Hi Joe. Yes, Sea Foam can be added at any time during an oil interval. Whenever you choose to add it, just make sure you run the engine at least 100 miles to allow Sea Foam enough time to circulate and clean before draining the oil!