The fuel tank plumbed. Gone are the days of simple tanks with just a fill, pick-up and vent line. Yes there is space around the tank and it could be larger. I just didn't think it needed to be larger and heavier. Note htere is nothing touching the tank to trap water. Never, ever foam in a tank! There is also no reason to paint an aluminum tank as the metal has a natural coating that protects it from corrosion. Painting the tank can actually lead to corrosion if the paint fails at some point in the future.

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