For professional racing engine builders, the key to maximizing a power plant’s performance is engineering a combination of components that complement one another. In most cases, this requires either ...

Technical manoeuvring to push regulatory boundaries for the slightest performance edge without actually breaking any rules is a familiar pattern in all forms of motorsport. Engineers treat the rule ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

Most inline-four engines use a flat-plane crank, meaning two pistons rise while two fall, giving perfect primary balance and even 180-degree firing intervals. Yamaha broke from this in 2009 with the ...

For more than a century, one basic layout has quietly powered everything from family sedans to fighter trainers and lawn ...