I've used hoods without pins but they were well braced and made to be run without them. So to me, it depends on how well they are made... but normally I would use them on any glass hood just in case.

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