NASCAR Grand National East Series
The NASCAR Grand National East Series was a short-lived racing series created by NASCAR in 1972 to provide a second-tier series, below the Winston Cup Series, to provide races at tracks that had been removed from the former Grand National Series' schedule upon Winston's assumption of the series sponsorship in 1971. The series only lasted for two seasons.
The Grand National East Series was created in 1972 by NASCAR as a reaction to the contraction of the Grand National Division, now (at that point) Winston Cup Series, schedule in response to the desires of new series sponsor Winston. The previous 50-to-60-race schedules were considered too large, and therefore the schedule was trimmed to approximately thirty races. This left many tracks that had previously hosted NASCAR's premier series without their headliner events, however, and NASCAR created the Grand National East Division to fill the gap. A similar Grand National West, then Winston West Series, was also formed from the former Pacific Coast Late Model Division; while the Winston West Series would continue to the present as the K&N Pro Series West, however, the first version of a Grand National East Series would only last two seasons before being abandoned by NASCAR.
Eventually, NASCAR would develop by the 1980s the NASCAR North Tour before eventually abandoning it for the Busch Grand National North Series in 1987, which in 2003 became the Busch East Series when the West and North (renamed East as the tour began traveling to the Southeast) series rules were unified, and eventually became the East version of the current K&N Pro Series East 
The Grand National East Series used a mixture of former Grand National/Winston Cup cars, as well as cars from NASCAR's Grand American series, which had also folded after the series' 1971 season. The cars raced in the series were allowed to be up to four years old. A significant number of events of the series' 1973 season took place outside of NASCAR's traditional southeastern stronghold; in addition, eight of the season's fifteen races were co-sanctioned with the Automobile Racing Club of America. Over the series' two seasons, the majority of winners of its events were Winston Cup series regulars; Neil "Soapy" Castles won the 1972 Grand National East Series championship, winning two of the series' 15 races; Tiny Lund was the 1973 champion of the series, scoring five wins in 15 events.
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