TwinTurbo.NET: Nissan 300ZX forum - Test the solenoid for proper function
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Subject Test the solenoid for proper function
     
Posted by ttsmokin on October 27, 2015 at 10:07 AM
  This message has been viewed 662 times.
     
In Reply To Re: Use this photo as a reference for your vacuum lines: posted by TurboTurtle (WaldorfMD) on October 26, 2015 at 08:15 PM
     
Message This image will give you an idea of what is going on inside of the 3-port solenoid. It is a common MAC (industrial valve supplier) part, don't buy an overpriced "Greddy" version that is just re-badged.

If you energize the solenoid with 12v, your wastegate lines should be open to atmosphere (this gives infinite boost).

Right now, the solenoid is not energized and therefore the wastegates are directly connected to the boost source. That is why there is a maximum 6-7psi boost pressure.

     
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