It was renamed Grand American for the 1970 season, hosting 27 events. By the 1971 season, NASCAR saw a decline in sponsorship, fan attendance and participation by teams, with Grand American hosting only seven events and NASCAR occasionally inviting Grand American cars to Grand National events that were short on entries (after the embarrassment of only 14 cars entering Grand National's 1971 Space City 300).
Grand American was renamed for the 1970 season, hosting 27 events. By the 1971 season, NASCAR faced a decrease in sponsorships, reduced fan interest, and fewer team entries, with Grand American organizing only seven races and occasionally participating in Grand National events that struggled to attract competitors (after the disappointing Space City 300).