The "stick" between two touching objects. Adhesion implies a static condition, while traction implies a moving condition.
- Browse Related Terms: Adhesion, Bear grease, Binders, Brake caliper, Deck lid, Donuts, Esses, Factory, Flat-out, Happy Hour, Head wrench, Pole Position, restart, Scuffs, Silly Season, Sponsor, Stick, Trading paint, Wrench
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As applied to racing, the study of airflow and the forces of resistance and pressure that result from the flow of air over, under and around a moving car
- Browse Related Terms: Aerodynamics, Air Pressure, Dirty air, Downforce, Equalized, Neutral, Push, Round, Setup, Tight, Track bar, Wedge, Wedge, round of
A metal strip that hangs beneath the front grill, often just inches from the ground. The air dam helps provide aerodynamic downforce at the front of the car.
A piece of the car body that hangs under the front grill of the race car, very close to the ground. The air dam uses air pressure to force the car down on the ground (called downforce) at the front of the car and to improve handling. NASCAR has rules on the air dam to keep things fair.
- Browse Related Terms: Air Dam, Draft, Drafting, drag, Front steer, Panhard bar, Rear-steer, Slingshot, Sway bar
Paper, gauze or synthetic fiber element used to prevent dirt particles from entering the engine. Located in the air box.
- Browse Related Terms: Air filter, Axle, Bell housing, Bleeder valve, Blown motor, Bore, Camshaft, Crankcase, Crankshaft, Cylinder head, Engine block, Flywheel, Gasket, Gears, Harmonic balancer, Hauler
Specifically the air pressure of the tires. Changing the air pressure in the tires is a way to alter the setup and handling of a NASCAR race car. Different tires are set to different air pressures to adjust for the conditions of the track. For example, if the race car is tight coming off a corner, a driver might request an increase in air pressure in the right rear tire to "loosen it up."
Force exerted by air within a tire, expressed in pounds per inch (psi).
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