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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.
[4] [5] [6] The ability to download information from the electronic units of the cars will play a role in the elimination of tandem drafting that has hampered NASCAR in recent years. [15] NASCAR Sprint Cup races can start in temperatures as low as 50 °F (10 °C) without making the vehicles suffer through major engine problems. [16]
In 1982, NASCAR's then-new second-tier series (currently known as the NASCAR Xfinity Series) competitors began looking at alternatives from the 5-litre based (311 cu in (5.1 L) engines, as in short track racing there was a push for six-cylinder engines to save on costs, with some series allowing weight breaks.
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.
Each team may build its own cars and engines (per NASCAR's specifications) or purchase cars and engines from other teams. The cars are powered by EFI V8 engines since 2012 after 62 years using carburetion as engine fuel feed with compacted graphite iron blocks and pushrod valvetrains actuating two-valves per cylinder, and are limited to 358 ...
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]
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.
After a race, the top 5 finishers, one other random car, and the first car failing to finish the race not due to an accident will have their cars inspected. Podium cars, a random car, and first car out also have their cars and engines taken by NASCAR for further inspection at the NASCAR Research and Development Center.