Banks Talks Tech – Turbo Wastegate
(From the Archives – Circa December 2004)
How a Turbo Wastegate Works
The common turbocharger wastegate would seem like the height of simplicity, but high performance can add complications.
Let’s begin by describing what a turbo wastegate is. A wastegate is essentially a device that bypasses some exhaust flow around the turbine section of a turbocharger to control maximum boost. A wastegate is usually controlled by a pressure actuator that is connected to manifold pressure.