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 ...

“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 ...

Technical analyst Paolo Filisetti explains just how compression ratio works, but the hidden danger which lurks.

An engine loophole in the 2026 regulations has been the subject of recent meetings ...