I don't think this is normal. It's likely the source of metal shavings in the valve cover.
View attachment 49580
Nothing else in there besides shavings. Already got my block ordered. Intake, fuel delivery, blower...all look very clean. New block is built to handle blowerDid Anybody Find anything Floating around in there with the Roller Rockers?
I Can Plainly See Wear on that Rocker in Several Areas where there should be None!
I Think You Made The Right Choice doc!
Only Get a Long Block Instead of the Short Block!