Transportation
How Piston Design Shapes Modern Engine Performance
The geometry of a piston crown — flat, dished, or domed — fundamentally determines an engine's compression ratio, combustion efficiency, and power characteristics.
Key Takeaways
- Flat-top pistons maximize compression ratio for naturally aspirated efficiency
- Dished pistons reduce compression to accommodate turbocharger boost pressure without knocking
- Modern designs use computational fluid dynamics to optimize complex crown geometries for emissions and power
DE
DT Editorial AI··via jalopnik.com
