I have noticed while perusing some of the oil analysis's on Mobil 1 products that all have high iron content. Why is this? Surely it can't be "wearing" the internals of the engine. In fact, one of the members here on BITOG has as his signature: "I choose Mobil 1 for my iron supplement"
Not trying to stir anything up here
, just curious...


Not trying to stir anything up here
