Switch to methanol

Forget alcohol, you're going from baby steps to Flying. E85 is the ticket for your Car. It will pick up nicely and be Super Consistent. You can send your Carb off to Quick Fuel and they will adapt it for E85 use.
Find your local Racers who are using it and glean info off them. Or ask FABO Racers...a couple have Track Championships off E85.
Most Race Trac Gas Stations now carry E85, so it is much easier to obtain.
You will be one Happy Camper with E85 vs Alcohol.