"The 1970 Hickory 276 was a Grand National (now Sprint Cup) event at Hickory Speedway on June 20, 1970. Bobby Isaac, the eventual season champion, led all 276 laps in route to a dominating 2-lap victory on Dick Brooks. Stats"@en . . "The 1970 Hickory 276 was a Grand National (now Sprint Cup) event at Hickory Speedway on June 20, 1970. Bobby Isaac, the eventual season champion, led all 276 laps in route to a dominating 2-lap victory on Dick Brooks. Stats"@en . . . "1970 Hickory 276"@en .