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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. 1994 was the final year that V6 engines were used in the Busch Series, as many short track series had abandoned six-cylinder engines. In 1995, changes were made.
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.
NASCAR mandated smaller carburetors for the rest of that season, and in 1988 required the restrictor plates. [4] The Generation 3 cars were used until 1991. It was the last generation without roof flaps (mandated in 1994). It was succeeded by the Generation 4 cars in 1992. In that same year, the Generation 3 car was still used in the Busch ...
Engines must be available in regular-production vehicles on sale in the U.S. market no later than the first quarter of the year. Eligibility has also been based on availability in a vehicle below a base price limit, which increased progressively from US$50,000 for the 1995 list up to US$65,000 for the 2020 list; this limit was eliminated for ...
[5] [6] Contemporary NASCAR-spec top-level cars produce maximum power outputs of 860–900 hp [7] [8] from their naturally aspirated V8 engines. In October 2007 American race car driver Russ Wicks set a speed record for stock cars in a 2007-season Dodge Charger built to NASCAR specifications by achieving a maximum speed of 244.9 mph (394.1 km/h ...
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 ]
The Generation 2 in NASCAR refers to the cars used between 1967 and 1980. The second generation of stock cars featured stock body with a modified frame, and modified chassis became part of the sport with entities such as Holman-Moody, Banjo Matthews, and Hutchenson-Pagan building chassis for teams. [1]
The car started in 1971 at what turned out to be the only Winston Cup race at Smoky Mountain Raceway as the No. 41 Ford owned and driven by Ulrich, who finished 29th out of 30 cars for heating problems on the 4th lap. Ulrich ran full-time for a couple of years, but normally he stepped aside and let other drivers race for him.