Yes, water vapor contained in the air within the fuel tank can condense on the cool inside surfaces of the fuel tank. This water can be absorbed by the fuel, both gasoline or gasoline/10% ethanol blend. Reducing the ability of the tank to breathe in air is good practice regardless of the fuel used. Most carburetors are vented in some manner, therefore fuel in the float bowl is also subject to breathing and water condensation.
Best practice for me is: store with the tank full, limit venting, use a tank shut off valve, either drain the float bowl or run the engine until it drains the bowl.
It is interesting (at least to me) to note that gasoline @ 60 degrees can absorb 0.15 teaspoons of water. Conversely, gasoline/10% ethanol @ 60 degrees can absorb 3.8 teaspoons of water before separation occurs. It is my feeling that if you have water problems with a gasoline/ethanol blend the fuel may have been "wet" at the time of purchase.
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Today's Featured Article - Ford Part Number Trivia - by Forum Participants. "Replaced by" means the part was superseded. All of my part books date back to 1964 and New Holland have changed some part numbers. They usually put the old Ford part number on the package. I was suppressed when I looked up the part number of the auxiliary drive shaft because for some reason the part number went through a radical change and it lost its "Basic Part Number". Ford part numbers follow the following rules. Most part numbers are in three parts. The middle part is called the
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