Tires produce a lot of information for the tuner to read, diagnose and analyze. Details include feedback from the driver, the effects of tire pressures, tire temperature readings, tire wear patterns, even the audible sounds tires generate. Tires will tell you most of what you need to know about tuning the suspension and brakes. Tire temperatures are taken across three points to analyze contact patch with infra-red or pin probe thermocouples. Tire pressures require accurate gauges usually electronic tire pressure gauges.
Physics Dynamics Size Grip Tread Wear Pressure Feedback Ratings Selection Forum