Krown under coat and regular oiling are keeping my Cummins and the wife's '93 Areostar rust free. They are also kept in our heated garage so they get dryed out every night. When I find my MB sedan it will get the same treatment and bump the Areostar into the barn. It will get plenty of salty slush and snow here.

Some people say that thawing them out daily shortens body life, my experience has been otherwise.

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83 Volvo 245 diesel
98 Ram 3500 Cummins
MB: looking for!