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Information is entirely conjecture and not objective in the slightest. No citations whatsoever. The wording is biased and not wikipedia friendly. Needs to be re-written or removed altogether Tag: section blanking |
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Also to be noted is the way in which boost control is achieved, depending on the type of wastegate used. Typically manual "bleed type" boost controllers are only used on swing type (single port) wastegate actuators. To increase boost, pressure is taken away from the actuator control line, therefore increasing the turbo output pressure required to counteract the controllers leak-lowered pressure acting on the wastegate. Dual port swing type wastegate actuators and external wastegates generally require electronic boost control although adjustable boost control can also be achieved on both of these with an air pressure regulator, this is not the same as a bleed type boost controller. To increase boost with an external or dual port wastegate, pressure is added to the top control port to increase boost. When boost control is not fitted, this control port is open to the atmosphere.
== Electronic boost control ==
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