I can try to check the books later but I think they may be the same. The speedo head location would only be a few inches apart and may use the same cable.
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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)