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Originally Posted by Jackd
And do they tell you to keep your tank empty when the weather is hot? When everything is at the same temperature (air, fuel, metal), there is no condensation (hot or cold)
fairy tail, urban legend, myth, folklore.
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Good point. I agree that you need a temperature differential to induce condensation.
I also believe that you need air space to allow water droplets to form from the air and attach themselves to the tank wall. So filling the tank will minimize the available air space.
So might it be that gas tanks mounted outside the heated interior and adjacent areas probably wouldn't condensate as much, if at all, as a typical Mercedes tank mounted inside the trunk?