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A turbocharger is a device fitted to a vehicle's engine that is designed to improve the overall efficiency and increase performance. This is the reason why many auto manufacturers are choosing to turbocharge their vehicles. The new Chevrolet Trax and Equinox are both offered with turbocharged engines and as time goes on, more and more vehicles will be fitted with them. Obviously,, different brands of vehicles need different kinds of turbocharger to fit, for example, there are Turbocharger for Audi, Turbocharger for Seat, Turbocharger for Skoda, Turbocharger for Volkswagen, Turbocharger for BMW, Turbocharger for Mercedes-Benz, Turbocharger for Toyota, Turbocharger for Volvo, Turbocharger for Hyundai, etc.
How does it work?
A turbo is made up of two halves joined together by a shaft. On one side, hot exhaust gasses spin the turbine that is connected to another turbine which sucks air in and compresses it into the engine. This compression is what gives the engine the extra power and efficiency because as more air can go in the combustion chamber, more fuel can be added for more power.
In addition to the extra power, turbochargers are sometimes referred to as devices that offer "ree power" because unlike a supercharger, it does not require the engine's power to drive it. The hot and expanding gasses coming out of the engine are what power a turbocharger so there is no drain of the engine's net power. Turbocharged engines are also not affected in the same way as naturally aspirated engines are when they go at higher altitudes. The higher in altitude a naturally aspirated engine climbs, the harder it becomes for it to get oxygen due to the thinning atmosphere. A turbocharger gets around this problem because it forces the oxygen into the engine's combustion chamber, sometimes at 2 times the pressure of the atmosphere.
Turbochargers also improve the fuel efficiency of a vehicle however there is a misconception when it comes to turbocharged vehicles and fuel efficiency. Taking a naturally aspirated engine and slapping on a turbocharger on it will not improve fuel efficiency. The way that manufacturers improve fuel efficiency though turbocharging is by down-sizing an engine and then turbocharging it. For example, take a 2.5L inline-4 cylinder naturally aspirated engine and decrease the displacement to 1.4L and then turbocharger it. The smaller, turbocharged engine would still have the same performance figures (or slightly better) but because of the smaller displacement, it would also use less fuel.
Turbochargers have 2 main disadvantages when compared to a naturally aspirated or supercharged engine. Firstly is heat. Because a turbo is powered by hot exhaust gasses, it gets very hot. Sometimes under certain engine conditions, the turbocharger itself could start glowing red but of course this doesn't happen in everyday driving conditions; it happens when the engine is pushed to its limits for a continuous amount of time. This is why you see some turbocharged sports cars with vents in the hood or down the side, it's to try to get air moving through the engine bay and keep things cool.