The Cortex EBC Complete Kit is available with either a 3-port or 4-port boost control solenoid (BCS) to match the boost control requirements of your specific application.
A 3-port solenoid is recommended for most users. They are easy to tune, provide very precise boost control, and are capable of producing boost levels 2 to 3 times greater than wastegate spring pressure on most applications.
The 4-port solenoid is available for applications that need to achieve a very wide range of boost levels based on gear or vehicle speed. They can be more difficult to tune than a 3-port solenoid, but can produce boost levels that are 4 or more times higher than wastegate spring pressure on most applications.
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3-PORT BCS OVERVIEW
- Compatible with internal and external wastegates.
- Used to control pressure application to a single wastegate port.
- Provides better control accuracy and resolution than 4-Port BCS.
- Capable of producing boost levels at least 2 times greater than wastegate spring pressure on most applications.
- Limited ability to counteract boost taper caused by exhaust manifold back pressure without the use of compressed air.
4-PORT BCS OVERVIEW
- Compatible with external wastegates or dual port internal wastegates.
- Used to alternate pressure application between two wastegate ports.
- Has reduced control accuracy and resolution compared to 3-Port BCS.
- Capable of producing boost levels at least 4 times greater than wastegate spring pressure on most applications.
- Extremely effective at counteracting boost taper caused by exhaust manifold back pressure.
- Can also be used in 3-port BCS configuration by plugging one of the ports.
