Originally Posted by CossieRich
If like me you have the turbo flat out, then an amal valve is ok, as an electronic boost control wont create more boost. You can only turn it down lol
Um....
Most boost controllers work by bleeding air off the actuator, thereby preventing the wastegate from opening. This in effect allows the turbo to create more boost!
Without proper control, the boost would simply continue to rise until the engine or turbo or both went bang.
JJ