I added headrests and swapped the solid shaft steering for a collapsible one. I installed a rollbar too since it's a soft-top. I have 4-point seat belts but have not decided how/where to mount them. My plan was always to do the 67-Shelby thing with them going back to the top of the rollbar, but folks say you'll "submarine" under them if they mount too high. Then I figured I can anchor them to the floor but then folks say you'll break your back with them too low. I might get them to connect to the seat itself, they are the type with pass-through holes for the belts already. The best alternative would be to install a crossbar onto the 4-point rollbar, but that would rule out the backseat completely from a safety standpoint.
HTWHEELZ, do you have any pictures of yours?
Also, I cannot go without saying this...
These cars are NOT the deathtraps that many say they are. The "media" loves to instill fear with their stories on the evening news. Hype sells soap you know. Remember the whole Ralph Nader thing, then the Pinto, then the GMC-1500 stories about fireballs and deathtraps and unsafe at any speed? Most of that turns out to be totally false or simply misleading at best. Remember the unintended acceleration from the Audi?
I've been driving 1960's American cars for almost 30 years now and have been hit by modern cars that were towed away while I drove away. Don't underestimate the armor value of good old American steel when you get hit by someone driving their tin-can with it's crumple zones. They might save your life at a 60MPH impact, but they just total your car in the 30MPH impact. Bet you can guess why the industry likes them, they get to sell more cars when they crush like that. As far as the media pundits go...well...it gives them a justification for having their day jobs I guess.