NASCAR is the most popular
motorsport competition in
the USA. The three largest
racing-series are the Sprint
Cup Series, the Xfinity Series, and the
Camping World Truck Series. NASCAR
sanctions over 1,500 races at over
100 tracks in 39 of the 50 US states,
as well as in Canada, and its races are
broadcast in over 150 countries. Initially only modified large scale series
vehicles were used for NASCAR. Today’s
NASCAR vehicles are racing cars with a
V8 engine and up to 800 horsepower, but
restricted in compliance to the applicable
regulations. Only the car body silhouette
resembles a series car. The cars are
subjected to strict regulations, for example
a limited size for the rear spoiler, the chassis
material thickness or allowed production
processes for the engine cylinders. It is
normal practice that winning team cars
are dismantled by NASCAR officials after a
race to check for any irregularities. The car
performances are almost equivalent. There
are only a few rare opportunities to gain
any technical advantage. This leads to the
teams needing to find ways of making small
gains wherever they can to improve their
performance. |
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