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This electronic boost control solenoid can be used with the MS3-Pro/MSPNP as well as any DIY Style MegaSquirt EMS (with the appropriate mods), or with other electronic boost controllers to control boost by adjusting the pressure to a turbo wastegate. The MS3-Pro, MS3X, MSPNP, and DIYPNP can drive this directly. It operates on a frequency of 19.5-40 Hz and is practically a wire-in replacement for the now-discontinued GM EBC Solenoid. It usually needs a slightly lower duty cycle than the GM valve; if you’re replacing a GM valve, we recommend cutting back your duty cycles by 30% and then carefully testing and adjusting as needed. This kit includes 1/8″ barb fittings and mounting hardware.

Maximum pressure is 125 psi, so this can be used even on wild high pressure compound turbo setups.

Note: This valve is a perfect match for use with our MS3-Pro ECU as well as the MegaSquirtPNP and DIYPNP line of PNP EMS systems.

Boost Control Solenoid

$58.00Price
  • Connections

    Do not plug the disconnected port. Leave it vented to the atmosphere.

    The diagram in the above images shows the way the solenoid is plumbed up for both 1-port wastegates (such as most internal designs) and for 2-port wastegates (such as the ones made by Tial). Both plumbing methods are set up so that energizing the solenoid will increase boost. This is a fail-safe so that if the valve loses power, boost will drop to its minimum set pressure.

    One wire connects to a 12 volt source, the other to the Megasquirt, the valve wiring is not polarized so it does not matter which wire you run to 12v+ and which to switched ground at the EMS.  It is NOT recommended to mount the valve in a direct, extreme heat source so, if you can, mount it off to the side of your engine bay keeping maximum valve temps at or under 122*F.

    The wastegate ports are 1/8″ NPT pipe thread if you wish to use alternate connections.