If you flip through the list of features on just about any new car or truck, you’re likely to see the words “direct fuel injection,” or DI. The concept is straightforward enough -- engineers have ...

We'll discuss the tuning flexibility of port injection, the advantages of the cooling effects of in-cylinder direct injection, as well as how dual injectors (both port & direct) can offer the benefits ...

When port fuel injection (PI) first debuted in the mid-1980s, no one knew what to make of it. With no carb or distributor to adjust, it was a steep learning curve for hot rodders and the performance ...

Most modern vehicles have multi-port fuel injection (MFI) with a separate fuel injector for each cylinder. This system mixes the fuel and air together right in the intake port for eachengine cylinder ...

I started driving when the vast majority of cars still had points ignitions. I've lived through the mid-'70s transition to electronic ignitions, then 10 years later had to learn a bunch of new tricks ...

Audi has announced that they will be using their Fuel Straight Injection (FSI) direct gasoline injection system on all future engines. Technology development related to indirect (port) fuel injection ...

The US Court of Appeals for the Federal Circuit affirmed three Patent Trial & Appeal Board final written decisions finding claims of three related patents unpatentable as obvious and reiterated that ...

Direct injection motors are the new cool kids on the block and it's becoming more an more common on newer cars. What is direct injection? Should I be afraid of it? This video from Savagegeese explains ...

The carbureted car and truck era phased out by the early '90s. Carbs are still in use today on a few motorcycles, lawn mowers, and other power equipment, but electronic fuel injection (EFI) is ...

Direct injection. Just about every car has it now, and those that don’t probably will in the next few years. It can add power, reduce emissions, and is a big part of why just about everybody is ...

Carburetors vs Electronic Fuel Injection - What's Best For Your Engine? What are the differences between carburetors, port injection, and direct injection? What are the advantages and disadvantages of ...