I have collected postwar Lionel for many years and just now purchased a 255E loco & 263W tender (with latch coupler). I don't have a lot of display or layout area, buy want to add freight cars & caboose.
Should I look for 600 (65X) series cars or 800 (81X) series? The 800 series cars are about 2 inches longer but I believe both are the same height & width.
Thank You !