The FIA has confirmed changes to the Formula 1 engine compression ratio regulations, with Mercedes powered cars set to suffer ...

The compression ratio isn’t just a number: it’s one of the greatest determining factors in engine building. Compression ratio determines the type of fuel, how much boost, and has a significant ...

Mercedes and Red Bull remain in the clear, as Italian reports on power unit cheating are rejected. An Italian newspaper reported on Friday that the FIA would decide to adjust the method for measuring ...

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

We all know the age-old maxim, "There's no replacement for displacement." It's the truth. That's why so many sanctioning bodies use displacement and compression rules to limit engine power. Of course, ...

Strictly defined, compression ratio is the total volume above the piston at bottom dead center (BDC), divided by the total volume above the piston at top dead center (TDC). First, let's look at the ...

A new twist has emerged in the Mercedes F1 compression ratio saga just under a week away from lights out in Melbourne. If you ...

“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 ...