Whole discussion boards are devoted to this topic.
You'll need a fuel pump (can be external) and a return line to tank. You may want to simplify your wiring by going with an aftermarket computer. Is you tranny computer controlled as well? This swap won't be done by the weekend- that's for sure. But there are lots of resources around. diy-efi, or something like that.
Third Gen -Camaro guys who have done EVERYTHING with fuel injection. There are a bunch more. Gotta roll, I'll check back later with some links.