WOT carb cutting out.

Thanks for all your replies. I really appreciate it. It does have dougs headers and it’s a 3 speed on the floor. Unfortunately it still has a 7 1/4 rear end in it but I do have a 8 3/4 laying around that I’m going to throw in this winter. I’m in the army and headed out to the field for a week but when I get back I’m going to look at the timing, cylinder pressure and run through the carb again. Unfortunately the guy I bought the car from had no idea what cam was put in there. Besides the cam, intake manifold and headers everything else appears to be stock.