David, it looks like you ran into about the same thing I did on 02650. I had to drill out the spot welds to remove the rotted section. I'm going to clean the inside of the frame and recoat it before I weld in a new piece of sheet metal. FYI, the bad corrosion in that area is the result of a combination of things: 1) As you mentioned, there's no drain hole and 2) The epoxy barely made it into this section, leaving about half the metal inside this area completely bare. (Once I removed the lower plate, I could see how the epoxy must have came in the little hole at the top, and barely made it halfway down the sides before tapering to a paper-thin edge.) You can see the shots of the frame cut open on my site: http://www.angelfire.com/md2/projectdelorean/fr0101.html Steve VIN 2650 ("Project Delorean")