The candle that burns twice as bright burns half as long; we all know that. However, some of the newest engine designs are proving to be more like firecrackers than candles, judging from the number of ...

Pistons play the ultimate role in an engine, but despite that, it's still hard to fully wrap your head around all the forces involved. There are plenty of moving parts in an internal combustion engine ...

Production cars have come a long way since the invention of the combustion engine, and car manufacturers have always sought to innovate and push the limits of what is possible. An area of particular ...

XJet has produced the world’s first additively manufactured car engine piston made entirely with ceramic for Spyros Panopoulos Automotive (SPA), which developed the part for its Chaos Ultracar. Spyros ...

Q:I have a 327 in my '31 Ford that features nearly the same cam and components as the one you referenced recently in Pit Stop (Nov. '12). Since a 1.6:1-ratio rocker arm will push the valve a little ...

Researchers aim to meld the best attributes of both the power-dense two-stroke and the vastly cleaner four-stroke engines. I can never resist a good oddball engine, and this one’s pedigree is ...

You’ll notice how a well-chosen engine upgrade can change more than just speed — it […] ...

There’s just something special, accessible, and enjoyable about car stuff made from Legos. Whether they’re transmissions, suspension systems, or other mechanical goodness, it’s fascinating to see the ...

It's not unusual for modern performance cars to make over 200 hp/liter, with ultra-exclusive supercars even breaching the 300 ...