 Penhall would repeat as World Champion in 1982 when he won at the Los Angeles Memorial Coliseum, the only time the World Final was ever held outside of England or Europe before the advent of the Speedway Grand Prix series in 1995.Two other Orange County natives finished in high places in the 1982 World Final, with Dennis Sigalos finishing in third place and Kelly Moran finishing fourth.The popularity of the sport in North America peaked in the late 1970s and remained strong through the end of the century; it has waned somewhat since then.