Here's the Difference Between a Regular and a Performance Air Filter

While I’ve never been the type of person to be particularly stressed about getting every possible power gain out of my car (when I owned a car), I’ve always been skeptical that a performance air filter would actually have any significant difference over a standard one. But if you do some basic tests, it looks like I’m…

It's Time to Learn About Wonderful and Weird Opposed-Piston Engines

Horizontally-opposed engines are often referred to as “boxer” engines because the motion of the pistons sort of resembles a boxer, punching. Really, though, if any engine should be named for a boxer, it’s the other kind of opposed engine: the kind where the pistons actually “punch” right at each other. They’re called …

Here's How Toyota's New 'Dynamic Force Engine' Is Engineered To Be More Efficient

Despite the onslaught of hybrid and electric vehicle announcements from automakers, they’re still busy squeezing as much efficiency out of internal combustion engines as possible. It’s Toyota’s turn to improve its engines, like tweaking its 2.5-liter inline four-cylinder in the 2018 Camry to be more powerful and…

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