Nowadays, many car models feature badges such as ‘1.8T’ or ‘2.0T’ on the rear; the ‘T’ here indicates that the vehicle is fitted with a turbocharged engine. Fig. 1 A turbocharger (Fig. 1) utilises the exhaust gases from the engine to drive the turbine (located within the exhaust manifold); the turbine, in turn, drives the coaxial impeller situated within the intake manifold. The impeller compresse...