That's what I'm wondering....if the internals of the lifter are damaged. That would account for the rocker not oiling.

Push Rod was turning though, so I'm hoping the lobe is ok. Still going to take oil filter apart and check to see if I can see metal. Didn't see any obvious flakes when I drained it.

I can still get these same lifters (Edelbrock) from Summit Racing, so I could get one, install it, and break it in....see if that fixes it. Getting the cam out of a Corvette is near impossible without pulling the engine. I do remember that