"Too little compression will usually result in unmet performance expectations. On the high side [too much compression] carries greater risk in tuning and potential component failure if appropriately ...

The FIA have announced changes to Formula 1's power unit regulations, most notably surrounding compression ratio, which have caused controversy over the winter. When the 2026 power unit regulations ...

Ahead of Wednesday’s expected PUAC vote and F1 Commission meeting, Audi’s Jonathan Wheatley says he has “absolute faith” that the FIA will do the right thing. Formula 1’s all-new technical era has ...

At first glance, the concept of engine compression is simple enough:It's the ratio of the volume of the combustion chamber and bore when thepiston is at bottom dead center (BDC) versus when it is at ...

Formula 1 is entering a new era in 2026 because of its regulation overhaul, which is arguably the biggest in the championship’s history with changes to both the chassis and power unit. An F1 chassis ...

Regulations include test to stop teams exceeding 16:1, but checks happen at “ambient temperature” Formula One ’s governing body has reached a compromise with manufacturers that changes the way the ...

Starting from the upcoming Monaco Grand Prix weekend, the hotly-debated compression ratio 'trick' will officially be banned. One of the hottest topics of the pre-season, the issue attracted so much ...

David Coulthard believes the FIA could have avoided Formula 1’s latest engine controversy with tighter wording in its regulations. Formula 1’s new era, for both chassis and power units, has begun with ...

LONDON (AP) — Formula One ’s governing body has reached a compromise with manufacturers that changes the way the compression ratio will be measured midway through this season and in the 2027 season.

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 ...