How many screws hold the ring on the crank of the 2017? The timing covers are different, different intake etc... I'm sure you can make it work, but your chrysler mechanic friend should have knew this all.

68 Road Runner, 69 Belvedere, 71 Challenger Vert
340 barracuda, 01 Ram CTD, 95 Ram, 04 Ram, 85 Daytona turbo Z
66 GTO, 06 Magnum RT AWD. 07 Ram CTD, 07 Ram