Valve gunk is nasty stuff that comes from the toxic vapor of steam, oil, gasoline and hydrocarbons circulating around the inside of your engine. A normal process of combustion in any gas powerplant, ...

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 ...

Direct fuel injection is creeping into more mainstream vehicles these days and it can have an inherent fault we need to be aware of. First, what is direct injection? Direct fuel injection on gasoline ...

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 ...

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 ...

So we wake up one day and decide we want to throw a supercharger on the C7, and while we are there let’s throw a cam in it, too! The supercharger is an air pump in front of the air pump and its ...

What is gasoline direct injection and how is it different from traditional methods of getting fuel into your car's engine? Antuan Goodwin Senior Writer, Electrified Cars Antuan started out in the ...

GM Powertrain announced today it will deliver a 3.6-liter V-6 gasoline engine with direct injection and variable valve timing (VVT) technologies in the 2008 model year. A vehicle application will be ...

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 ...

Powertrain experts have been touting gasoline direct-injection engines for many years. As has been the case with automated cars and carbon-fiber construction, the passage of time hasn't brought this ...