Many of you have seen the process of making this rotary valve engine with different intake and exhaust system and how I tried ...

Brian Cooley is CNET's Editor at large and has been with the brand since 1995. He currently focuses on electrification of vehicles but also follows the big trends in smart home, digital healthcare, 5G ...

Suck. Squeeze. Bang. Blow. There’s no joke to be made there—you’re looking at the DNA of the four-stroke internal combustion engine, virtually unchanged since Dr. Nikolaus Otto first built it in ...

At Circle Track, we're all about helping you do more for yourself. But sometimes that's just not realistic. That's not casting doubts on the intelligence of our readership. Just like your mom, we ...

There was once a time when Desmodromic valve technology was cutting edge and a necessary competitive advantage for Ducati in racing. The Desmo head doesn't use a valve spring to return the valve to ...

Everywhere you look you see automakers propping up their latest 'skateboard' platforms jampacked with batteries, each with more power than the last and each offering a lower center of gravity and ...

Mazda’s implementation of the Miller-cycle engine in their production vehicles, starting with the 1995 Xedos 9, marked a ...

Nice feature from Avintia Blusens and their Crew Chief Francesco Guidotti, doing some explaining on what pneumatic valves are, how they work and why more teams are going for this technology. The ...

At one time or another all of us have felt the hurt of misapplied modifications. Even the most respected names in the tuning industry have been pwned at least once. Those who have moved on to make ...

Knowing your vehicle can become beneficial in emergencies. If you are ever in a situation where you want to repair something quickly or change a component, there is nothing more cost-effective than a ...

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