Every Mopar V8 motor, including SB, I've put larger carbs. on has gone faster and quicker shruggy
Every Hemiriod motors, especially 426 types, love more air and fuel up
As far as carb spacer you'll have to test yours to find the best combination up scope

Last edited by Cab_Burge; 08/27/18 10:50 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)