The turbo and the supercharger are the two principal methods of forced induction. But what's the difference between the two? Forced induction. The principle is simple: pump more air into the combustion chambers of your engine, and match that extra air to the right amount of extra fuel, and you'll get a bigger explosion that'll drive your pistons up and down with greater ferocity. The end result is that your engine produces more power, and your car is, of course, much faster. Achieving the extra fuelling is easy; larger injectors or a more powerful fuel pump will do the job. However, forcing more air into the engine requires something similar - an air compressor, which can compress the air into a form denser than it occurs naturally and feed it into the engine. What's more, this air compressor must be small enough and light enough to fit into the car's engine bay, and it must also have the capability to be driven by the car itself. Luckily for us, technology has given us the answer; in fact, it has given us two: the turbocharger and the supercharger.
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