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 ...

Tuning is the origin of hot rodding. Back in the day, Pontiac owners with a taste for performance would dial in their cars' air/fuel ratios and timing among other things to squeeze a few more ponies ...

Welcome back for our second look inside the mysterious black box that we call the Ford EEC system. Last month we covered the basics of EFI, with an emphasis on the Ford systems. This month we'll delve ...

For more than 50 years, the classic Holley 4150-style four-barrel has remained a constant presence in the automotive world, as it evolved into almost countless versions for OEM and aftermarket ...

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 ...

The earliest and simplest type of fuel injection, single-point simply replaces the carburetor with one or two fuel-injector nozzles in the throttle body, which is the throat of the engine’s air intake ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

Vehicle fuel injectors are integral to a car's engine fuel delivery system. Fuel injectors are responsible for delivering the right fuel at the right time. Gasoline and diesel-powered engines of all ...

Most new petrol cars you see today are equipped with fuel injection systems or injector motors. These have almost wholly supplanted older carburetor motors. They are more reliable, effective, and ...