Shouldn't be too bad, but I'm sure there will be some. Unless they are kept in a perfect atmosphere storage, they are forever rusting in areas we cant even see. I even sprayed the inside of the frame rails with Eastwood stuff. But no way I stopped it. Just slowed it down. It sits outside most of the time. It's on concrete, so not too bad, but still... I really enjoyed the build and will probably have fun with a little rework. But don't see myself doing perpetual maintenance on something that I drive a few times a year.