With the heads off my 91 Loyale, I was scraping carbon off the pistons then turning the crank to withdraw the pistons and wipe out the cylinders. Doing this a couple of time, I noticed that the front two cylinders always have some oil in them after turning the crank so that the pistons are in.
That doesn't seem normal to me. Oil scraping rings shot?
It was burning a lot of oil. I figured after seeing the heads that the majority was coming past the head gasket and some maybe through a bad valve seal. But maybe that is not the whole story.