Originally Posted by Prewar Pappy:
Honestly, I'd post this over in the 2R/3RS forums.
He already did, and it was moved to the 3-Rail 027 Trains Forum, apparently since the cars are not "scale" anyway.
Without knowing the brand and model numbers any information given could be in error. Many years ago I performed exactly what you are wanting to do. Doing so varies from maker to maker. Yes, if done properly it does look nice. Be prepared as it is not a cheap project.