Chrysler memos of September 1969 show that the sales programming staff were preparing to handle 1,920 winged Plymouths for 1970, but published figures say as many as 2,783 were built. The current figure generally accepted is 1,935 SuperBirds built and shipped to United States dealers, with anywhere from 34 to 47 allegedly heading to Canada. The engine option is also questioned, although the most frequently seen numbers report 135 Hemi SuperBirds and 716 440ci. six-barrel editions, with the remainder powered by 440ci. 4bbl. motors. It is believed that over 1,000 Plymouth SuperBirds exist today.

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