How does a boost controller work ?
There are 2 main components of a boost control system on a turbocharged engine: the wastegate with actuator and the boost controller. Note that some turbo cars do not use a boost controller as such, instead they rely on the spring rate in the wastegate actuator to achieve the desired boost level.
There are two types of wastegates; internal and external. Internal wastegates are found on the vast majority of turbo cars, where a flap-type valve is ...
