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I just cleaned my WG to try and fix my overboost problem. As I was getting ready to reinstall the WG, I noticed that I have this MVS port open.

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Old 05-29-2016, 10:37 PM   #1 (permalink)
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I just cleaned my WG to try and fix my overboost problem. As I was getting ready to reinstall the WG, I noticed that I have this MVS port open. Is this my problem?



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Old 05-30-2016, 12:07 PM   #2 (permalink)
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I just cleaned my WG to try and fix my overboost problem. As I was getting ready to reinstall the WG, I noticed that I have this MVS port open. Is this my problem?



YzGyz
Bottom 3 ports should have 1 hooked to vacuum line - and 2 should be plugged - top ports helps control closing the wastegate 1 should be plugged and other to Boost controller.

If you are missing a plug from bottom - this is why you would be overboosting - if missing plug from top ports
you probally won't be able to boost over spring pressure.

Jwick/Sasha - feel free to correct me if I am wrong.

Last edited by instroke; 05-30-2016 at 12:25 PM.
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Old 06-02-2016, 05:50 PM   #3 (permalink)
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Originally Posted by instroke View Post
Bottom 3 ports should have 1 hooked to vacuum line - and 2 should be plugged - top ports helps control closing the wastegate 1 should be plugged and other to Boost controller.

If you are missing a plug from bottom - this is why you would be overboosting - if missing plug from top ports
you probally won't be able to boost over spring pressure.

Jwick/Sasha - feel free to correct me if I am wrong.

I'm talking about the port that is on the side reading MVS above it. What do we do with this port? The port on the top by "Tial" in currently open to air for spring pressure but will be hooked to the EBC Soleniod after I figure out the overboost problem. 2 of the bottom ports are plugged as shown in the picture I posted before. The third of the bottom is also hooked to the EBC Solenoid.



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