Originally Posted by Kaanan
It's not the valve cover.
At the risk of embarrassing myself, I had an oil leak from one of the valve cover bolts.
Turns out I put the head cover bolt O-ring / rubber washer in upside down last time I checked the valves.
You might want to check the nuts on the studs under the exhaust port and intake port. They are kind of a pain to get a wrench on...