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 ...

The first on-track test of fuel injection in NASCAR’s Sprint Cup Series could come as early as July 7 at Kentucky Speedway, provided NASCAR finalizes specifications for system hardware and software in ...

What makes more power: carbs or computers? As soon as OEMs replaced the beloved carburetor with fuel injection, a line was immediately drawn in the sand, with carbs on one side and injection on the ...

It would seem like every single Shelby-handled car out there has a story to tell, a uniqueness that helps keep them at the top of the list of the most cherished and desirable automobiles ever made.

Carburetors are old news. We've moved on to electronic fuel injection long ago. But of the two main varieties of fuel ...

Fuel injectors don't just deliver fuel. They meter it, shaping the spray so the air-fuel mixture burns in the way the engine wants it to. When deposits build up, injector fuel flow can decrease and ...

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 ...

Gasoline direct injection (GDI) engines emit less carbon dioxide (CO 2) than port fuel injection (PFI) engines when fossil fuel conditions are the same. However, GDI engines emit more ultrafine ...