Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, ...

In December, it emerged that Mercedes had found a possible loophole in the rules that could lead to a performance advantage.

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 ...

A revised test at 130°C aims to end off-season speculation — but could shift the debate into 2027.

The team principal called the debate a "storm in a teacup" at a news conference at the Bahrain International Circuit on Thursday.

We may receive a commission on purchases made from links. I have been working on my own vehicles for almost 40 years and in that time have accumulated a sizable collection of tools. The bulk of them ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

Want to know how healthy or unhealthy your engine really is? Get yourself a compression tester and find out. Despite how complex many modern vehicles are, you can do many common repair and maintenance ...

Compression: An automotive term used by everybody, forever. Let's get into some detail and maybe develop a better understanding. Pressure, and more pressure: It's a must-have to produce power within ...

While we like to think of 2002 as being part of a high-tech age, our beloved internal combustion engine hasn't really changed much in the last 50 years. We're still using pushrods and overhead valves, ...

We may receive a commission on purchases made from links. While browsing auto repair and maintenance tools at your local parts store, you've likely come across compression testers like the Orion Motor ...