>>28503438
I also took off the valve cover. I noticed what looks like dimpling on the inside of the valve cover. I'm not sure if a previous owner was trying to increase clearance for the valve springs or what.

One of the previous owners was a farmer or nigger and replaced one of the valve cover bolts with a standard SAE sized bolt with the wrong threads so I'm hoping it didn't completely destroy the thread in the head of the engine.
It's one of the 4 bolts that goes right beside the cam too, so he must've been a real bonehead.

at least the cam and rockers look okay.