Non ethanol gas listings in NY here
https://www.pure-gas.org/index.jsp?stateprov=NY
If you're running 91 w/out pinging your good to go. If not, retarding timing 1-3 degrees can help in most cases.
When not using VP fuel I use Blendzall booster (I'm partial to the smell of Castor from my dirt bike days)
https://www.amazon.com/Blendzall-Gol...3096902&sr=8-6
Works great as a upper cylinder wash and volatility damper (aka booster)