As the son of a GM Tech Center employee, John Greenwood started turning wrenches for himself as a teenager. Beginning with go-karts, he quickly progressed to street racing a 1955 Pontiac and then, in the mid-1960s, to the new Corvette Sting Ray. Street racing was then, as now, all about acceleration, and Greenwood quickly learned on Detroit’s Woodward Avenue that “you don’t want to get left behind on the straight parts.”

Bored and stroked big-blocks soon found their way into Read More