How common is a wiped cam lobe?

I remember well back in the 90s when the zinc reduction made the first round. This is Lunati territory for all the chebbie boys. The rumor was that Lunati was grindin crap. Wasn't the case at all. It was the oil.


Hughes had it issues too. Each of them was pushing to the limits of flat tappet rates of lift for each respective lifter diameter and the oil couldn't hack it.