Did the Frisco like putting oversized stacks on their locomotives? I noticed in tons of pictures that the stacks on almost all Frisco engines seem significantly larger than stacks on other locomotives. Does this have something to do with the draft, blast pressure, or efficiency? Frisco 4100 series mike http://transport.castlegraphics.com/albums/railroad/steam/mp/missouri_pacific_1471_2-8-2_oct1952.jpg Missouri Pacific 1400 series mike
