If I was you I would lean down the idle fuel feed circuit and the transfer fuel feed circuits to cruise north of 14.8 AFR up scope
My old pump gas Duster was tuned to do that with the six pack and the Holley 1050 CFM Dominator later, lean is mean and responsive also boogie scope twocents

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