"1993 SplitFire Spark Plug 500"@en . . . "The 1993 SplitFire Spark Plug 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on September 19, 1993. Rusty Wallace dominated the event, leading 215 of the 500 laps in route to a half-second victory on Ken Schrader. Despite a poor 27th place effort, Dale Earnhardt maintained a 181-point edge on Wallace. Stats"@en . . "The 1993 SplitFire Spark Plug 500 was a Winston Cup (now Nextel Cup) event held at Dover International Speedway on September 19, 1993. Rusty Wallace dominated the event, leading 215 of the 500 laps in route to a half-second victory on Ken Schrader. Despite a poor 27th place effort, Dale Earnhardt maintained a 181-point edge on Wallace. Stats"@en .