A Dusk Rose 1957 Thunderbird climbing through the Black Hills toward Mount Rushmore sounds like the setup for a breakdown story, but this one carries the Thunderbird Special 312 and both of its tops. Ford built that engine specifically to give the two seat T-Bird a harder edge than the base V8 could manage, and 1957 was the last year the car had only two seats. Here is what made the Special different, and why the final Baby Bird is the one collectors want.