If it's in the guide, it's legal. Doesn't always mean they actually built it. Some combos are legal only for SS due to a limited number of cars built in the configuration.

ETA The 2x4 343/383 appears in '62, not in '63.

Last edited by CMcAllister; 02/07/19 04:30 PM.
If the results don't match the theory, change the theory.