Changing an engine's plugs should be a relatively simple maneuver. But not if you've built the engine bay so the motor barely ...

Fitting bigger spark plugs might sound like a recipe for improving power output, but it can have catastrophic consequences ...

Rotary engines differ from conventional ones in many respects — and one of them is the fact that they use two different spark ...

In the past decade or so, automakers have turned to downsized turbocharged engines—often with direct injection and higher compression ratios—to boost efficiency. These fancier power plants tend to ...

One of the best ways to gain automotive knowledge is simply by asking the two-word question: “What is (a part, theory, thing)?” and locking in the definition after it is given. We’ll take a flier and ...

If you consider your spark plugs little more than disposable engine parts to be replaced for every event or two, you're missing out on a valuable engine-tuning tool. Not only can the correct plug ...

Swapping out spark plugs is, next to changing your oil, one of the most basic, straightforward bits of maintenance you can perform on your car. Spark plugs go bad over time, so it's important to keep ...

The Harley-Davidson Milwaukee-Eight was designed as a successor to the company's V-twin bike engines, and it features unique ...

In the middle of the 20th century, the atom was all the rage. Radiation was the shiny new solution to everything while being similarly poorly understood by the general public and a great deal of those ...