9 electronics to improve vehicle performance, namely, controllers, namely electrical and electronic controllers for improving fuel economy, power, torque, tire calibration, transmission restraint, and speedometer calibration; modules, namely engine and transmission performance monitor and control modules comprised of electric control units and panels; programmable computer chips programmed with vehicle performance control and monitor software; and user interface devices, namely flat panel display screens, gauges, and digital keypads, all for use in monitoring vehicle performance; land vehicle console parts, namely, monitors and gauges for control and monitor of vehicle performance