I have two IHC passenger cars myself. a Union Pacific coach and diner which I got for $15 each. I plan to get interior detail kits for them, but I don't know how to remove the body/roof 3:24 I believe you have the heavyweight Combine and Diner in the wrong boxes you could possibly mix the Seaboard and Atlantic Coast Line cars to make a Seaboard cost Line era train I'm surprised you have a lot of L&N passenger cars.
That’s a good eye. I have run some of these before and it’s likely some are mixed up. I think you take these apart from the bottom to access the inside to add interior