Torque converter help.

I'm not sure yet on the cam but a 360 block, LD 340 intake J heads with 1.88 and 1.60 valves home port job, trying to find a 750 carb stock bottom end headman headers stock 727(because I don't know what to do with it yet) 8 3/4 rear w/3.91 gears. If you need more info let me know.