According to a note by engineer Ben Harrison, by the end of March over 33,000 Firebirds were sold, 77.8 percent had V-8 engines, 70.4 percent automatic transmissions, 29.1 percent dual exhausts, 16.7 percent air conditioning, 15.3 percent four-speed manual transmissions, 13.8 percent limited-slip differential, 7.4 percent equipped with front disc brakes, 4.2 percent with front bench seat, 3.8 percent with adjustable steering column, 2.5 percent with power windows, and 0.5 percent with cruise control. The production year ended in September '67.
Might anyone have a copy of this memo? Or any other memos like it for 1967 to 1969?