Originally Posted by RAL88
So small that it can go through the oil filter so I will also be using it in the Mobile 1 that I use for the engine (There are a lot of people using it in their auto and motorcycle engines). The tungsten is so slippery that it will not even stick to itself so it will lay down a layer on the metal parts that is about 0.6 microns thick. One micron is 1/1000 of a milimeter.
Most name-brand motor oils including Mobil 1 already contain adequate moly as an EP additive. I would not ad more.