By measuring the contents of the catch can and the main fuel can, teams can determine their fuel consumption and plan their strategy for the rest of the race. The structural frame of a car, including the rollcage. As the car travels around corners at high speeds, the side of the car facing the inside of the turn becomes lighter, causing it to raise up. The extra weight that shifts toward the outside of the turn causes that side of the car to pitch downward. A straight-away on a race track or road course.
Different tracks require different compounds.
Left side tires are generally softer than right side tires and it is against the rules to use left side tires on the right side of the car. The portion of the tire that is presently touching the ground. The size of each tire's contact patch changes as the car is driven. The post extending from the rear of the roof to the base of the rear window. The difference in weight between the left front corner of the car and its right rear corner.