Better engine response, improved low-rev torque and faster gearchanges. It’s amazing what a cleverly designed turbocharger can do.
The geometry and gas flow in the variable-geometry turbocharger is regulated by an electric actuator. This allows precise control of both charge-air to the engine, to boost low-speed engine power, and the flow of recirculated exhaust gases on the 9-, 13- and 16-litre engines.
The intake airflow can be optimised throughout the rev range. This means that the VGT helps to improve engine response and low-speed torque by maintaining the turbine speed while the gear shifts are being made.