. . "1973 Delaware 500"@en . "The 1973 Delaware 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on September 16, 1973. David Pearson dominated the race, leading 344 of the 500 laps in route to a 1.8-second victory on Bobby Allison. Eventual season champion Benny Parsons finished 4th. Stats"@en . "The 1973 Delaware 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on September 16, 1973. David Pearson dominated the race, leading 344 of the 500 laps in route to a 1.8-second victory on Bobby Allison. Eventual season champion Benny Parsons finished 4th. Stats"@en . .