A 1966 model will not work due to the turn signal switch, tube diameter/type (non-crush style) and a few other minor differences. It could be made to work if you find one cheap. I think the first year of the key switch being located on the column itself would be 1970 in a b body? Can anyone confirm this? Basically you should be able to use any manual steering column from a 67 up b body that had the ignition key and emergency flashers located on the dashboard.