Originally Posted by c.sam:
......... they are essentially traditional postwar sized F3's. I've changed over to mostly full-scale equipment and the two generally don't mix!
Actually, Lionel "traditional" F-3s are pretty much scale-sized (as are "traditional" Geeps). I run them on the layout with Lionel "scale" F-3s and they look fine running together. When you see them running at speed, you have to pay attention to see that much difference; it's mostly in relatively small details.