Mopar Performance Purple Mechanical Camshaft - P4120653AE Cam Card

102 ? which cam ? I did not see that.
No you cant calculate it on paper
You can measure the valve timing events with a degree wheel after it is installed.
4529343. Sl/6 mech.
Oh, I think you can Calc the events. Maybe not at 0.050", but the theoretical events, which is the way Mopar used to advertise them.