Supercharged engine different methods of energy sources used in accordance with the supercharger drive, basically can be divided into three categories: The first category is the mechanical supercharger system, turbocharger directly driven by the engine crankshaft through a gear (WRX Coilovers). The second category is the exhaust gas turbocharger system, turbocharger when the engine is driven by exhaust fumes. The third category is a composite pressurized system, namely the engine, both using exhaust gas turbocharger, and simultaneously applied mechanically driven supercharger. There is also inertia turbocharger, supercharger pressure wave supercharger other way. Turbocharged models in the end what kind of oil to use? Use an ordinary engine oil will cause any kind of harm? Currently, most of the problems the turbocharger oil seals, mostly because the turbocharger and the intake pipe between the damage caused massive burning oil. When choosing oil, should choose high-grade synthetic oil, mineral oil is not suitable for ordinary turbocharged engine(gt1544v turbo). The greatest advantage of a turbocharger is to increase the engine power and torque. Turbo advantage is obvious that it can not increase the displacement of the engine based on the substantial increase in power and torque. An engine mounted on the turbocharger, as compared with the maximum power is not installed in the output of the booster can be increased about 40% or more. This means that the size and weight of a post by the same supercharged engine can produce more power, or that after a small displacement engine with, a larger displacement engine can produce the same power. In addition, after the introduction of the supercharged engine technology, but also improve fuel economy and reduce emissions(peugeot 307 turbo). Turbocharged models: Turbocharged diesel engine is more appropriate than gasoline. The greatest benefit is the turbocharged engine's maximum power and torque of 40% compared with the displacement of the car, which is the 1.8T ≈ 2.4L, but only after the engine speed higher than 2000 rpm turbine only works, if only in city ??car, will play the role of the turbine does not come out, 1.8T 1.8L power is at most. Turbocharged use and maintenance are more of a burden. Therefore, the general urban use, the car with the role of T is not great.