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Message: <blockquote data-quote="Shadowrider" data-source="post: 4134476" data-attributes="member: 3099">No it's those magnets and the better oils we have today. My F150 has a magnet stack on the inside of the cover and a magnetic plug too. Any mechanical thing is going to wear the most when first used, then drastically slow wear once mating surfaces are "polished" to each other. If you get the wear particles out early (or captured and held) you greatly extend the service life.I run Amsoil Severe Gear oil and put it in as fast as possible when I get another vehicle. It has additives that form an iron sulphide coating to act as a barrier. Ford's synthetic gear oil isn't bad either. A lot of Ford's oils are actually fairly decent, but I can get much better for usually less money from Amsoil.</blockquote>