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Restrictor plate races and road courses are the only races where NASCAR enforces track limits. At the high-speed superspeedways, track limits are marked by a double yellow line (white line at Atlanta Motor Speedway starting from 2022) separating the apron from the racing surface. Exceeding track limits to advance one's position is subject to a ...
Artist rendering of a NASCAR restrictor plate. A restrictor plate or air restrictor is a device installed at the intake of an engine to limit its power. This kind of system is occasionally used in road vehicles (e.g., motorcycles) for insurance purposes, but mainly in automobile racing, to limit top speed to provide equal level of competition, and to lower costs; insurance purposes have also ...
NASCAR eventually adopted a restrictor plate to limit top speeds for the 7.0L engine as teams switched to small-block 358 cu in (5.9 L) engines. NASCAR edited the rules in a way that they hoped would make the cars safer and more equal, so the race series would be more a test of the drivers, rather than a test of car technology. [21]
The transition period lasted until 1974, when the current 358 cubic-inch (5870cc) limit was imposed and NASCAR eliminated the 427 cubic-inch (7000cc) engine. As the early 1970s use of restrictor plates was considered a transitional process, and as not every car used restrictor plates, this is not what most fans call "restrictor plate racing".
In 1971, the money invested in NASCAR teams by American auto makers began to lessen as marketing and perceived consumer demand caused funds to shift away from NASCAR. [1] The car entries for some of the top division Grand National events with smaller payouts shrank (only 14 cars entered the 1971 Space City 300 ) to the point that NASCAR allowed ...
A new NASCAR Point System has been announced for the 2017 season: For the first time since 1971, the Can-Am Duel qualifying races will become points paying races with the top-10 finishers will earn points. In the NASCAR Craftsman Truck Series, there are only 32 competitors, so the last-place driver will receive five points. Teams must submit an ...
The cars use radial tires. Along with the rest of ARCA and NASCAR's international series, the Menards Series have General Tire as their exclusive tire supplier. [4] On November 4, 2014 at the SEMA Show in Las Vegas, NASCAR president Mike Helton unveiled a new body style for the K&N Pro Series based on the NASCAR Cup Series Gen 6 models. The new ...
2019 NASCAR Xfinity Series Rookie of the Year 2021 NASCAR Cup Series Rookie of the Year: NASCAR Cup Series career; 144 races run over 4 years: Car no., team: No. 19 (Joe Gibbs Racing) 2024 position: 14th: Best finish: 9th : First race: 2021 Daytona 500 : Last race: 2024 NASCAR Cup Series Championship Race : First win: 2022 Ruoff Mortgage 500 ...