Small hole in head at bottom of valve cover bolt!

If the head is off you might want to debut the area so no more tiny fragments of metal can fall off and migrate into the engine.

I know you already put some jb weld on the hole, but from my thinking I would just put sealer on the VC bolt when you reinstall, that way no way for anything else to make it's way into the engine. Did you test fit a VC bolt while the JB was playable? You may have just made the hole shallower than OEM.