Direct Injection Inspection—Investigating the Truth and Fiction of GDI High Performance

Prompted by ever-more-stringent emission and fuel economy regulations, car manufacturers are switching to gasoline direct injection power plants in everything from four-cylinder econobox transportation appliances to the “crossover” vehicles that are the minivans of the new millenium, and even in their performance flagships like the Ford Mustang and Chevrolet’s Camaro