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 ...

Ford’s EcoBoost badge has become shorthand for small engines that hit like bigger ones while using less fuel, but it is often ...

Port fuel injection (PFI) was a major milestone in the early '80s. The integration of PFI rapidly changed the way fuel was delivered by increasing fuel economy and improving engine performance. Even ...

Automobile engines have undergone tons of changes over the years, primarily to make them more efficient. For the most part though, engine changes result from a string of iterative improvements on ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...

The late eighties were supposed to be the age of compromise for performance cars, squeezed by fuel prices and emissions rules ...

Automakers have long touted the benefits of fuel injection, claiming increased efficiency and power. But as more cars have the system installed (around 73% in 2023), more and more consumers are ...

Back when Shelby was looking to make its little Cobras go faster, it turned to multiple carburetion in the form of a quartet of downdraft Weber carburetors. Not only did having eight individual ...