There's a new acronym floating around the performance industry—GDI—and it stands for gasoline direct injection. Among domestic production engines that have jumped heavily into the GDI segment are the ...

Most diesel owners have come to appreciate the benefits of the various forms of aftermarket upgrades offered to improve the power output of their diesel engines. Not many gas owners can bolt on a ...

Water and fuel aren't usually a good mix, but BMW has turned to water injection technology in its ever-continuing quest for improved fuel economy and power. Its latest 1 Series prototype is fitted ...

Diesel engines are the perfect recipients of mild engine modifications. They are considerably robust—generally much more so than gasoline engines. Without going into a diesel history lesson, this is ...