Turbocharging Basics Turbocharging is a great way to make your engine produce more power but it is not as simple as just bolting on new manifolds and a turbo. The purpose of adding a turbo is to force feed as much air as possible into the cylinder which means you can burn more fuel and therefore produce more horsepower. A naturally aspirated (NA) engine can only suck in a certain amount of air before the inlet valve closes, sealing the cylinder and preparing for compression. This is ge