Hey man, good to see ya still plugging away. Do what I did, find yourself some sheet metal and spend a week or 2 cutting out the rotted stuff and patching in some new. All I had laying around was some 3/16th sheet, so that's what I used, I figure it could just about take a blast from an IED or sumtin, LOL. (Well probably not really, but it is damned stout and will far out live the rest of my pile).It still runs like it did the day I bought it.
If the floors weren't so rusty, I might get another 200K out of it.