FLOW CONTROL
The wise Keiichi Tsuchiya once said, “What is power without control?”; when it comes to boosted applications, the wastegate is front and centre in the fight on over-boosting. So, why is something so integral to the performance and reliability of the boost system often the last concern during the design process?
Your turbo has an insatiable appetite for spent exhaust gases; left unchecked, it would consume everything, including your engine’s internals. The wastegate’s job is to keep your turbo in check. It does this by bleeding off exhaust gas pressure over and above a set psi to avoid over-boosting. This psi is set first and foremost
