I'm not familiar with the plumbing on the "new" engines grin but there's never a heavy flow of oil to the rockers. As Cofe noted make sure the holes in the rocker shafts are down. If not the rocker arms will be running dry while the slow feed fills the shafts.

Save a life, adopt a senior shelter pet.
The three main causes of blindness: Cataracts, Politics, Religion.
Name your dog Naked so you can walk Naked in the park.