Pulley ratio

Fig 1: Primary Pulley, Secondary Pulley, Primer Reducing Valve, Secondary Reducing Valve And Line Pressure

Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

The system applies the primary pressure, which is regulated by the primary reducing valve, to the primary pulley and the secondary pressure, which is regulated by the secondary reducing valve, to the secondary pulley, respectively. Pulley ratio depends on these pressures.