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Cup Series teams are restricted in the number of engines they may use in a season (16 engines at minimum must last at least two race weekends), effectively a limit of 20 engines during the season. Changing either will result in starting in the rear of the field.
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 Cup Series: 53 Gateway International Raceway: 65,000 [4] Madison: United States: NASCAR Craftsman Truck Series, NASCAR Cup Series, IndyCar: 54 Autodromo Enzo e Dino Ferrari: 60,000 [26] Imola Italy: FIA Formula One: 55 Darlington Raceway: 60,000 [4] Darlington: United States: NASCAR Cup Series: 56 Circuito de Jerez: 60,000: Jerez de la ...
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.
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.
One popular idea was to use 231–275 cu in (3.8–4.5 L) six-cylinder engines; instead of Cup Series' 358 cu in (5.9 L) V-8s. [5] [6] [7] In 1989, NASCAR changed rules requiring cars to use current body styles, similar to the Cup cars. However, the cars still used V6 engines. The cars gradually became similar to Cup cars.
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 ...
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 ...