Mopar 360 piston identification

If you’re up for it, the best way to I.D. the cam is with a dial indicator and a degree wheel. I would expect an engine with pistons that old to have a grind in it that either hasn’t been produced in some time or has an out dated part number on it. Oftentimes, the only way to identify it is to get a cam degree wheel and degree out the opening and closing events at .006 and .050. The lifter bank angle in an LA can be difficult to set an indicator up on to read the actual lifter body perpendicular to the lifter bore can be difficult, but setup works fairly well.
Clamping Dial Indicator