Make sure your engine oil is capable of scavenging the lead out. That is why we have to use aviation oil in our aircraft.Na that wont work with the new EPA gas can spouts. They are a PIA to operate, and it makes the entire process messy.
As far as ethanol free gas, I get 100LL from the airport for my TW. Last time I bought it, it was about $1.00 less then the 76 station down the street.GasSpouts.com offers replacement gas can spouts vents and nozzles. Including ez pour gas spout kits, replacement gas spout fix and vents for blitz gas cans and most other plastic gas cans nozzles.gasspouts.com