Yes, I think 64-66 is the same. Not so sure about 67 though because the steering column changed, and I think with that the hanger for the pedals changed too. I could be wrong though.
__________________
1966 Strato Chief 2 door, 427 4 speed, 45,000 original miles
1966 Grande Parisienne, 396 1 of 23 factory air cars (now converted to a "factory" 4 speed)
