The lead is now being sequestered in the light varnish building up on the internals. (-; d-:
Is this a serious post of a know issue or did Rocky tell you this ???
Rocky’s one smart squirrel!
The double emoticon in my post should have tipped you off that I was mainly joking with you.
That said, the _broad generality_ of different oils showing different metal levels in a simple UOA, independent of whether actual wear rates are different, is known but not necessarily widely accepted on the internet.