Quote:
Originally Posted by WHN
We try to leave as little gas as possible in our car when we put it away, also Sta-bil. November to May and in over 40 years never a problem.
With our mowers, generator, and tractor. Also use Sta-bil. Run carburetors dry. Enjoy.
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I would recommend just the opposite. I fill my tank to the very brim. (Although shutting off the fuel and running the carb dry is a good idea.) An empty tank is an invitation for condensation and rust in your gas tank. With the tank full there is no air in the tank, and no condensation. When I used to work on the flight line at Conn. Air Service during college we would top off all the flight school's aircraft every night before putting them in the hanger to avoid condensation.
Even with ethanol in the gas, if there is no air in contact with the gas in the tank, then the ethanol can't draw moisture out of it.