Oct 7, 3:24 am ET
Behind the Wheel
Drivers have a lot of information to deal with when driving a Champ Car. Controls and displays for fuel consumption, fuel mixture, RPMs, speed, turbo boosts and much more are all at the tips of a driver's fingers. When racing at up to 240 MPH, everything must be easily accessible and in plain view because a driver wouldn't want to divert much attention away from the road in front of him. Described below are all the gauges and display units a Champ Car driver uses to control his car.
 Behind the Wheel
Illustration courtesy of Team KOOL Green
Dash Scroll Switch: Toggling this switch changes the LCD display dash data screen to a different display page. Fire Extinguisher: If the driver senses there is a fire in the race car, he can push this red button on the dashboard which sets off the on-board halogen gas fire extinguisher.
Radio Button: The driver presses this button when he wants to talk to his crew on the radio. A microphone is located inside the driver's helmet and he wears an earpiece to hear responses. Pit Lane Speed Limiter: Pressing this button limits the car's speed to the designated pit lane speed limit (60 mph). Drivers are penalized if they exceed this limit.
Fuel Re-set Button: This button is pressed once the fuel tank has been filled to reset the on-board fuel gauge and electronics system that monitors the fuel. Overtake Button: Pressing this button results in the maximum engine power for passing.
Pi Research LCD Information Screen: Information displayed on a cockpit screen. The driver can select a variety of different display pages, which supply him critical information such as fuel usage, lap times and engine system alarms. RPM Shift Lights: These miniature lights illuminate to indicate the engine's revolutions-per-minute (RPMs). As engine speed increases they light up progressively from outside to center. The red lamp toward the right of the dash indicates that the RPM are near the limit known as the "Red Line." You shift after the last yellow lamp lights up and before the red one goes on.
Ignition Switch: This works just like the one on a street car, only there's no key. Anti-roll Bar Adjustment Levers: Driver can adjust to let the car roll more or less in corners. The lever closest to the driver is for the front anti-roll bar adjustment and the outside lever adjusts the rear anti-roll bar stiffness.
Turbo Boost Switch: The switch allows the driver to increase or decrease the turbo boost. Weight-jacker Switch: This allows the driver to adjust the handling characteristics of his car during practice, qualifying or a race. The speed with which a corner can be taken depends on the distribution of the weight of the car to the four wheels. If the weight is not properly distributed, the car is not balanced and, when the steering wheel is turned, it may go straight ahead instead of turning (understeer) or spin (oversteer).
Drink Button: Pressing this button delivers liquid to the driver's mouth through a small hose in his helmet. Drivers can lose several pounds of water and nutrients during races. It is important to prevent dehydration that diminishes alertness and concentration. Fuel Mixture Switch: Turning this dial increases or decreases the rate of fuel consumption and hence engine power and performance.
Engine Map Switch: Driver can select map used by engine control unit (ECU or "Black Box") that controls the engine's performance characteristics. Gear Shift Lever: The driver pulls back to upshift through all six gears and pushes forward to downshift.
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