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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

A quick look around is all you need to think the two-stroke engine is dead. Exhaust smokers no longer brapp their way past outdoor cafés or over twisty mountain passes. You don't even see two-strokes ...

You love late-model muscle cars, but do you understand what makes them tick? Do you know why your '10 Camaro SS not only has more power than equivalent cars of the '60s, but also with vastly better ...