535 supercharged first time start up?

flathead31coupe said

I just wonder why it was only one lifter. Oh well, I need to make a decision on my next course of action

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If you want to put another hydraulic cam and lifters I suggest get Howard's/Hughes and get their edm lifters. You can check the lifters for rotation when you install the new stuff. Also I would put one of the lifters you have in that bore and see if it has any resistance that way you can determine it's either a burr in the bore or the lifter had some machining issues.
I know the lifter that went bad probably had burr on it which made it difficult.
The shitty thing is this is very common that one lifter will all the sudden flatten a lobe. Chicken or the egg situation unless you measure taper and crown in those parts.