Stock '69 318, t-quad vs q-jet vs holley vs edelbrock?

TQ kits, jets, misc hardware available. Modify AFB rods for TQ
Been doing that for a long time and I have often suggested that here.
Cast iron seems to have the benefit of not fluctuating as much in temperature from the evaporation of the fuel since it has a way higher heat capacity that aluminum. Just a thought...
“Not fluctuating?” This is what now? Has to do with what?