It helps determine the gear ratio for maximum power. Shows how hot the oil gets in the engine. To achieve a desired temperature, the crew removes or places tape on grill opening of the car. Shows how hot the water gets in the engine for the engine for the amount of grill tape. Measures the pressure the oil is putting on the engine components.
Oil keeps metal parts in the engine from wearing on each other.
Shows how much fuel pressure is being supplied to the carburetor. Shows the amount of volts the alternator is supplying to the battery. Sprays driver compartment with a fire-suppressing chemical if needed. Box that controls the supply of cool air for the driver to breathe. Provides air from outside of the car and is directed at the driver.