For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82. 

For 21 years before NASCAR started selling naming rights in 1971, its top stock-car racing championship was known as the Grand National, and the name lingered in public usage long after the series officially became the Winston Cup. Ten years later, Darrell Waltrip raced factory-backed Buick Regals to claim back-to-back championships in 1981 and '82.