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 ...

High-pressure common-rail injection technology has revolutionized the diesel industry. Over the last decade, it has allowed engine builders to run higher injection pressures (as much as 29,000 psi in ...

and was designed to offer a more consistent method of delivering fuel. How does mechanical fuel injection work? Early mechanical fuel systems typically relied on a complicated fuel pump that would ...