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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]
In addition, Toyota examined the engines of Kyle Busch and Martin Truex Jr. after their cars experienced engine failures during the race. [113] At the 2022 Autotrader EchoPark Automotive 500 at Texas, Cody Ware survived a hard crash, colliding with the turn 4 wall before violently hitting the pit wall. [ 114 ]
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 ...
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.
At racing speeds approaching 200 miles per hour, a modern NASCAR race car can generate enough lift to get airborne if it spins sideways. To keep cars firmly planted, roof flaps were required in 1994. [3] 1994 was also the final year that V6 engines were used in the Busch Series, as many short track series had abandoned six-cylinder engines.
Allen Johnson's Mopar Dodge Avenger Pro Stock. Pro stock is a class of drag racing featuring "factory hot rods".The class is often described as "all motor", due to the cars not using any form of forced induction such as turbocharging or supercharging, or other enhancements, like nitrous oxide, along with regulations governing the modifications allowed to the engines and the types of bodies used.