How to Get the Most Out of Your Turbocharged Engine John Baker | Nov 10, 2015 2:53:56 PM The industry trend toward smaller engines that deliver increased power and fuel efficiency has been well documented. The AMSOIL Newsstand contains articles about the key technologies that enable today’s advanced engines – turbochargers, gasoline direct injection (GDI) and variable valve timing (VVT). These articles have mainly addressed how these technologies affect motor oil. In short, they’re brutal on oil. It’s one of the reasons more automakers are installing synthetics at the factory. Fuel dilution can be a problem To summarize, GDI technology locates the fuel injectors directly in the cylinder (hence the name), as opposed to the manifold. This arrangement allows for great