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 ...

Compression in a diesel engine is essential for effective and efficient performance. And when compression is lacking, damage can result. That’s why it’s imperative to know whether your engine’s ...

Formula 1's governing body, the FIA, has announced a resolution to the sport's regulatory row over engine compression ratios, with a tweak to the regulations set for June 1 and a further change in ...

The FIA confirmed the update following discussions within the sport’s Power Unit Advisory Committee. Under the 2026 regulations, V6 engines ...

According to ESPN, the FIA will introduce stricter engine compression tests from June 2026, requiring Formula 1 teams to meet ...

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

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

Some rival teams have suggested Mercedes found a way for components to behave differently when they heat up during use. To address that, the compression ratio will be controlled in both hot and cold c ...