The nosecone adds 19 inches to the overall length of a B-body Mopar. Just how serious was Chrysler about winning in NASCAR? The company built nearly 2,000 Superbirds in 1970 to meet homologation requirements, but they were a tough sell to the general public. Many Superbirds sat on dealer lots as late as 1972, and had to be converted back into more plebeian Road Runners in order to finally get them out the door. Editor Hunkins lived in North Carolina at the time and remembers them collecting dust on dealership lots.