This book covers the cars, the drivers, and the evolution of the street classes. In the late 1950s, thousands of street legal hot rods participated in organized drag races across the country -- As the racers got more serious, these cars were street legal in appearance only.   in reality they were full-on race cars, with blown Hemi engines, racing slicks, and raised front suspensions. Racers soon discovered that small, lightweight cars were the fastest, and the classic Gasser was born .