I find that this time of year and late winter/early spring are the worst times for dampness. Moisture will condense on the cold surface of the car and that causes rust. I have a gas furnace in my garage and keep it on in the spring and fall just to keep the moisture out. In the dead cold of winter, everything is dry and nothing much happens. Any slush that falls off the driver in the winter gets swept out the door as soon as possible. I actually get more rust on tools during the humid summer weather. I'm forever coating tools with oil to keep them in good shape. Just some of my experiences in the cold frozen north.
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Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now.