I sure hope the cam is not prematurely worn. I don’t have many miles on this engine but I know what you are saying. Speaking of the cam I was told to add zinc to the oil to help with break in.

Update:
I called the engine shop today and they could not find a pressure leak by pressurizing from the thermostat housing. HOW IS THAT POSSIBLE?

They will try to mimic my test where I pressurize at the block drain at the rear of the engine. This is starting to be frustrating!