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A NASCAR Cup Series engine with the maximum bore of 4.185 inches (106 millimeters) and stroke of 3.25 inches (83 millimeters) at 9,000 rpm has a mean piston speed of 80.44 fps (24.75 m/s). Contemporary Cup engines run 9,800 rpm, 87.59 fps (26.95 m/s), at the road course events, on Pocono Raceway 's long front stretch, and at Martinsville ...
NASCAR rules and regulations. 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]
The NASCAR Cup Series is the top racing series of the National Association for Stock Car Auto Racing (NASCAR), the most prestigious stock car racing series in the United States. The series began in 1949 as the Strictly Stock Division, and from 1950 to 1970 it was known as the Grand National Division. In 1971, when the series began leasing its ...
November 17, 1991 (1991 Hardee's 500) The Generation 3 refers to the generation of stock cars used in NASCAR from 1981 to 1991, and it was used in the Busch Series until 1993. In this generation, NASCAR downsized the cars to better resemble cars on the showroom floor (with wheelbase at 110 inches), and body panels were still purchased through ...
The trucks of Lance Norick (No. 90) and Terry Cook (No. 88) racing in 1998 Ford F-150 Chevrolet C/K. The idea for the Truck Series dates back to 1991. [1] A group of SCORE off-road racers (Dick Landfield, Jimmy Smith, Jim Venable, and Frank "Scoop" Vessels) [2] had concerns about desert racing's future, and decided to create a pavement truck racing series.
Next Gen (NASCAR) The Next Gen car, originally known as the Gen-7 car, is the common name for the racecar that is currently in use in the NASCAR Cup Series. Its use began with the 2022 season. [ 1 ][ 2 ] A further evolution of the Generation 6 car, the Next Gen features "improved" aero and downforce packages while introducing new technologies ...
November 18, 2007. (2007 Ford 400) The Generation 4 car was the NASCAR vehicle generation used from 1992 to 2007 full-time in the NASCAR Cup Series, [1] in the Busch/Nationwide Series until 2010, and in the ARCA Racing Series until 2017. The generation has been described as the generation that removed all "stock" aspects from stock car racing ...
Pit road safety has become a major focus of NASCAR officials in recent years since the 1990 Atlanta Journal 500, where the rear tire changer for Melling Racing was killed in a pit road crash. 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.