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Ford NASCAR engine. NASCAR engine bay. 1987 Ford Thunderbird stock car engine. Chevrolet NASCAR V-8 motor. Ford V-8 stock car engine. NASCAR, the highest governing body and top level division for stock car racing in the United States, has used a range of different types of engine configurations and displacements since its inaugural season in 1949.
NASCAR logo. The National Association for Stock Car Auto Racing (NASCAR) makes and enforces numerous rules and regulations that transcend all racing series.. NASCAR issues a different rule book for each racing series; however, rule books are published exclusively for NASCAR members and are not made available to the public. [1]
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]
When the series first started, the cars ran a V6 engine with a maximum 274 cu in (4,490 cm 3) displacement and no compression limit. In the early/mid 1990s the V8 engine with a 9.5:1 compression and maximum 358 cu in (5,870 cm 3) displacement was introduced to the series as an alternative to the V6 engines. Due to the decrease in popularity of ...
In 1998, Ford introduced the Taurus, which was the first four-door stock car model approved for NASCAR competition in the modern era. [1] In 2001, Dodge made its return to NASCAR with the Intrepid. [1] That same year, Dale Earnhardt died from a crash at the Daytona 500, leading NASCAR to make serious safety changes. In 2003, in response to the ...
The National Association for Stock Car Auto Racing, LLC (NASCAR) is an American auto racing sanctioning and operating company that is best known for stock car racing. [1] It is considered to be one of the top ranked motorsports organizations in the world and is one of the largest spectator sports leagues in America.
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 ...
By April 1991, NASCAR implemented the current policy of pit road speed limits. The speed limit depends on the size of the track and the size of pit road. NASCAR uses an electronic scoring system, similar to the VASCAR system, to monitor the speeds of cars on pit road by measuring the time it takes to get from checkpoint to checkpoint. The cars ...