What size jets Metering rods and jets should be used in a Carter AFB 600 4 Barrel Carburetor on a rebuilt 1970 Dodge 318 slightly larger cam?

You'll need an exhaust gas analyzer then it's just trial and error. You MIGHT be able to find a performance shop to give you an idea where to start, but generally you'll need to set it up using some diagnostic equipment after some initial guessing.