Quote:
Originally Posted by Anker
It will not. Metal will settle in the bottom of the sump when the car sits, so a magnetic drain plug is the way to go.
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Actually, magnets on the filter are much more effective than one on the sump drain plug. When the engine is running, the circulation of the oil gets most, if not all, ferrous debris into motion, which is why capturing and removing it are important. As the oil filter sees just about every drop of oil several times a min. with the engine running, putting some strong magnets there gives you a much better chance of capturing the fine grit normally found in an engine.