Quote:
Originally Posted by hardtimes
Paul,
This year, I bought a '29 sport coupe from an old meticulas guy who routinely did what should be done regularly to a model A to prepare it for storage each winter. He DRAINED the gas tank, because he thought that that was the thing to do. Well, I'm here to tell you that the "dry" gas tank was/is covered entirely inside with rust particles! I've drained it and strained it and still have to change filters,etc... DON'T DO IT!!
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Draining the tank is very effective in a controlled environment. In an unheated garage the cooling cycles cause condensation inside the tank. The higher the humidity and the greater the temperature swings the more condensation. Seems to affect mostly the top of the tank. A full tank has less air so it has less moisture to condense. Filling the tank and draining it in the spring may be effective.
The most effective sounding method I ever heard of was to drain the tank and fill it with dry nitrogen. You need to provide a source of makeup nitrogen to compensate for expansion due to temperature changes. Suggested method was a large balloon over the filler. If you have a leak at the steering column that could be a problem. Sounds like a lot of work.