Have you measure the lobe lift yet? If not do that and post it on here, all lifts advertised are usually gross lift, not net lift so the valve lash has to be added onto the lobe lift to get the same results
Did you know Mopar has had a number of different vendors grind there cams? Not all of the vendors grind the same cam part number the same way with the same results between the different vendors
One of the many reasons I don't buy and use that brand anymore on any of my motors