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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 ...
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.
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]
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.
The Brickyard 400 quickly became one of NASCAR's most coveted titles when it started in 1994, but it went away after the 2020 race in favor of a Cup race on the Indianapolis Motor Speedway road ...
Evernham Motorsports was an American professional stock car racing organization that competed in the NASCAR Cup Series.The team was founded in 2000 by former Hendrick Motorsports crew chief Ray Evernham, entering full-time competition as a two-car operation in 2001 and fielding additional full-time entries in alliances with Ultra Motorsports and the Valvoline corporation.
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The 1984 Firecracker 400 was a NASCAR Winston Cup Series racing event that took place on July 4, 1984, at Daytona International Speedway in Daytona Beach, Florida. [2]Richard Petty, driving the #43 Pontiac for Curb Racing, won the race.