1969 Mercury Cyclone Spoiler II
Ford had the Talladega, so Mercury wanted its own Aero Special. So, their designers took the Cyclone and copied some design cues from the Talladega, creating the Spoiler II model for 1969. The Cyclone Spoiler was mechanically identical. However, they sold it in two packages, the Cale Yarborough Special and Dan Gurney Special.
Although both packages had different color schemes, otherwise they were the same. The only difference between the Talladega and Cyclone Spoiler II was a standard rear spoiler, front grille, and the design of the rear lights. Even though the official rule was that manufacturers must produce 500 or more copies of their homologation special, there was controversy over the exact number of Cyclone Spoiler IIs they produced.
The official literature states it was 503 examples, but the experts claimed the actual number was much lower, at around 350 cars. The rumor was that Mercury was behind with the production of the Cyclone Spoiler II. And so, when the NASCAR officials came to check the cars, they sneaked in some regular Cyclones they painted in Spoiler II colors. This way it appeared they made 503 cars. But in fact, they made far less Cyclone Spoiler IIs.