Quote: I have been running E85 for 3 years with aluminum lines with no problem. I leave the fuel in all winter.
Sorry but you will have problems sooner than later.
Methanol/ethanol will corrode the aluminum eventually. It's best to drain the cell after use. I ran aluminum fuel cells for 20 years and drained it after every weekend.
Plus storing alcohol fuel in a vented fuel cell allows water to get into your fuel and then corrosion will be 10X worse.
