does Stabil work?

goldduster318 said

On most a-bodies, the gas is exposed to air all the time, so I would generally say have the least amount left in there for spring as you can and go fill it up right away. If your environment is super damp, not really sure what to say other than it’s not the best.

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This is opposite from what you want, you want the tank full. The more air space in the tank the more condensation forms inside the tank with temperature changes. That puts water in the fuel.

Doesn’t even have to be a super damp area, just temperatures dropping below the dew point. So unless you’ve got a climate controlled garage you’re better off with a full tank.