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NASCAR Racing Cars Built for Speed, Power and Safety
from: Maxx Sports GuidesWith a reputation for high speeds and brute power, NASCAR racing cars are a breed unto themselves. Fans are fascinated by NASCAR racing cars with their sleek appeal, speed, and safety design.
Originally, dirt tracks were used for racing. Since the roads were rough on the racing vehicles, NASCAR allowed the cars to be modified for NASCAR racing purposes.
Over the years cars have been modified for safety and competition purposes. All modifications are governed by NASCAR rules and checked at every race.
NASCAR racing cars are basically handmade with every detail of the car body, fame and engine formed from bare materials.
Car safety starts in the frame design. The frame basically has three parts, with the middle section made from tougher material to protect the driver. The frame's front and back parts are made of thinner steel tubing to absorb the impact of a crash.
Other safety devices placed on NASCAR racing cars include airbags, seatbelts, window nets, and roof flaps. All these features are provided with the drivers' safety in mind.
Why do NASCAR racing cars go so fast? Without turbochargers, the cars' 750-horsepower engines would go as fast as 200 miles per hour. High speeds are produced by the cars' big, power-packed engines. The engines also have extremely radical cam profiles, allowing more air into the cylinders at very high speeds.
NASCAR racing cars have carburetors that suck in a lot of air and fuel. The ignition systems allow customized spark timing for maximum power.
Subsystems in the car such as oil and steering pumps, coolant pumps, and alternators, are designed for sustained high-speed racing and high temperatures.
Quality standards are extremely high. Every part of NASCAR racing cars is made with exacting tolerances so that the engines can deliver maximum power. These are crucial if a car team wants to maintain a winning edge over the competition.
The next time you're a spectator at a NASCAR race, you'll have a better idea why these powerful and well-designed machines travel so fast on the track.
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