Detroit's 1960s mantra, "Win on Sunday, Promote on Monday," was most relevant in NASCAR racing, but that did not stop it from serving to create a number of the wildest muscle automobiles ever. Charger 500s have been as quick as like-powered '69 Chargers, but the winged automobiles weighed as much as 300 pounds more than regular Chargers and Street Runners. It returned for the '70 season accompanied by the Superbird, the same Plymouth design based mostly on the Highway Runner. What Plymouth built was a avenue rod. The 1970 Plymouth AAR 'Cuda was one of these. With a 56-percent front weight bias, handling was plagued by understeer, prompting Car and Driver to recommend "it may need been higher to place the fats tires on the entrance wheels." However the AAR 'Cuda was sturdy in a straight line, Dr Farzad Roshanzamir and an eyeful anywhere.