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The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the...
The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the turbo exceeds the preload of the spring inside the wastegate, the wastegate opens a valve allowing some exhaust gases to bypass the turbo, reducing boost to safe levels. However, the wastegate can partially open before its rated psi, resulting in inconsistent boost response. A boost controller prevents the wastegate from opening prematurely by regulating the boost signal.
Manual (or mechanical) boost controllers consist of another spring-actuated valve that...
The boost controller sits between your turbocharger and wastegate, where it modifies the pressure signal for more consistent performance.
When the air pressure leaving the turbo exceeds the preload of the spring inside the wastegate, the wastegate opens a valve allowing some exhaust gases to bypass the turbo, reducing boost to safe levels. However, the wastegate can partially open before its rated psi, resulting in inconsistent boost response. A boost controller prevents the wastegate from opening prematurely by regulating the boost signal.
Manual (or mechanical) boost controllers consist of another spring-actuated valve that allows some boost pressure to bleed off or bypass the wastegate. They usually have a knob that allows you adjust the responsiveness. They’re simple, inexpensive, and provide maximum spool-up speed.
Electronic boost controllers are more sophisticated, using solenoids or stepper motors to limit the activation of the wastegate based on a variety of inputs, including manifold pressure, rpm, and throttle position. These controllers help address control and drivability issues, and provide overall better performance.
For more information of boost controllers, check out this article on our blog, and if you need help finding the right one for your project vehicle, contact us and talk to one of our tech experts.
With the huge selection of boost controllers at Summit Racing Equipment, you’re sure to find one that matches your performance and budget needs. Shop from well-known brands you can trust, including TurboXS, MSD Ignition, Holley, AEM Electronics, Turbonetics, Vibrant Performance, and more.
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Putting together the most advanced feature sets ever seen in boost controllers, AutoMeter has redefined the category. These AutoMeter electronic boost controllers are packaged in a familiar and easy-to-install 2 1/16 in. gauge housing. They offer some of the most powerful functions ever assembled for safely extracting the most performance possible from your forced-induction application, and the level of precision, response, and durability that racers have come to trust within the AutoMeter performance instrument range. Intuitive programming menus operated right through the controllers (no separate software or interface modules are required) make setup and use incredibly easy. Power is nothing without control. They are specifically designed for turbocharged gasoline engine combinations running up to 30 psi of boost pressure. AutoMeter electronic boost controllers feature: * High/low boost modes: pre-program and set two different configurable boost settings that can be switched between on-the-fly with the push of a button, perfect for performance track day cars and racing applications * Boost by rpm/boost by gear: integrating AutoMeter's most advanced digital tachometer circuit, your boost curve can be tuned precisely by 500 rpm increments to minimize wheel spin and put more power to the ground * One-touch gear capture: instantly capture each gear with the push of a button; drive normally in your chosen gear and hit the capture button * Peak boost recall: one-touch recall of the highest boost pressure achieved during a given time * Configurable warnings with overboost protection: easy-to-set parameters provide a full face flashing warning if boost pressure moves beyond your settings to quickly alert the driver. The warning doubles in speed if boost pressures exceed your programmed settings by 2 psi or more * Pro control output: using your programmed high and low boost settings, the AutoMeter boost controllers can automatically trigger external devices such as water methanol injection, intercooler sprayers, nitrous solenoids, or other devices that can be activated via relay * Pro control input: can also be controlled by external devices, any ground signal sent to the pro control input will immediately back boost levels down wastegate spring pressure * Display: highly versatile boost pressure reading units represented on the digital LED display can be selected via the user button interface * Data logger output: configurable scale 0-5v analog voltage output in either PSIA or PSIG allows for signal sharing/boost readings with other performance electronics, such as data acquisition systems or engine control units * Tach/speed signal diagnostic: onboard real-time diagnostics to verify the presence and correct operation of both of these inputs
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