People run 10" wheels, 295 tires with 5" of backspacing. So that leaves 6" on the outside. An 8" wheel with 3-5/8 would be 5-3/8 on the outside... So I don't see the problem.

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