What is the best CAM for me to get to pair up with a turbo on my '76 280z?

Have you researched what it would take to put a turbo on your 76? Are you planning to use a 280ZX turbo engine? Lot of mods to the electronics and fuel system. It's a rather costly and extensive process and if I were you, I'd look into that before I worried about which cam to run in it. Search the site for info on turbo conversions, this site as well as Hybrid Z as was suggested in your other post.