Getting the fuel distribution equal to each cylinder with a single plane intake and single carb. can be done but it usually isn't easy or even the same jetting for motors with identical or similar parts, DANG IT anyways whiney
The AFR will get you close, checking and adjusting off of each spark plug will get you dead on up scope
Tune off of #7 spark plug to start with if you have the stock firing order twocents
Good luck, now get to work wrench grin

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)