Should I swap the 3.91's for 3.55 or 3.23

Engine Combination

* Edelbrock Air-Gap
* Holley 650 Double-Pumper
* Lunati 'Voodoo' 268 {#60403}

Doesn't everything point to a little more RPM's.

Going down to 3.23's may suffocate that 340 during 'around town hopping'.