Turbo Tech - All About The Turbo
The wastegate's task is to vent excess exhaust pressure on the turbine side, so that the turbine blades don't over-spin for the desired boost levels. Wastegates can be built into the turbo or plumbed externally; the external 'gates usually have the capacity to handle greater pressure levels. This New Gen wastegate is from Turbonetics, built with a trap-door style valve that helps direct exhaust gas out of the system. View Related Article
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