Inside Glen Sheeley’s incredible HOT ROD Drag Week 2025 win with his 8.30-second, naturally aspirated ’62 Corvette—no boost, no trailer, and record-setting consistency.

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As you may know, an engine's compression ratio is directly linked to its combustion efficiency. All else being equal, higher-compression engines tend to make more power while offering better fuel ...

The FIA have proposed a mid-season rule change to its engine regulations with a vote set to take place before the Australian Grand Prix. The build-up to the new 2026 season, which are the biggest in ...

Formula 1 manufacturers have approved changes to the engine testing rules for 2026 following the compression ratio row that has lasted through the offseason. In December, it emerged that Mercedes had ...

The FIA has confirmed that the F1 engine manufacturers will vote on a proposed change how engine compression ratios are measured. If confirmed the change could be introduced as soon as the summer ...

The FIA has launched an e-vote with the power unit manufacturers, aimed at introducing a new compression ratio methodology from August 1. The governing body has confirmed the nature of the proposed ...

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 ...