I am at a stand still right now, I have stripped and painted a number of model train cars and locomotives. I have some Polar Express cars that I would like to repaint, the trouble is the things that I have used to strip the paint previously do not work. I have tried the industrial cleaner de-greaser from the Depot and alcohol. I don't want to use brake fluid and if nothing else will work I may just paint over the factory paint. The only thing the alcohol has taken off is the lettering "POLAR EXPRESS". Has anybody run into this and found a stripping material that works. It looks like the paint on the newer Flyonel is some very tough paint.