Triturbo

Triturbo refers to a forced induction system that utilizes three turbochargers to increase an engine's power output. This configuration is typically employed in high-performance or specialized engines where achieving maximum power and responsiveness is crucial. The use of multiple turbochargers allows for a more complex and optimized boost delivery across the engine's operating range.

In a triturbo setup, the three turbochargers are often staged or arranged in a sequential manner. This means that at lower engine speeds, a smaller turbocharger might spool up quickly to provide immediate boost, reducing turbo lag. As engine speed increases, larger turbochargers come online, providing greater airflow and boost pressure for higher power output. This staging helps to broaden the torque curve and improve drivability compared to a single, large turbocharger.

The complexity of a triturbo system requires sophisticated engine management and control systems. Wastegates and blow-off valves are meticulously calibrated to manage the boost pressure from each individual turbocharger and prevent overboosting. While offering significant performance advantages, triturbo systems are generally more expensive, heavier, and more complex to manufacture and maintain than simpler turbocharging configurations. Consequently, they are rarely found in mainstream production vehicles and are more commonly seen in racing applications or highly specialized performance cars.