Depends on the panel, whether it's "race-weight" or has any inner structure.
My race-weight lift-off hood is also something I'm "over".
Had another Duster, had a nice 'glass hood with stock-ish inner structure, used hinges w/o springs, worked fine.
Heavier of course, but still lighter than an OEM hood.
Pins were not an issue, stood up vertical, and I used a Toyota PU prop rod.
If doing your own inner reinforcement for hinges, they should be full-length, and joined at front & back (basically fab a square).