EBC Won't increase boost. Safety Boost Solenoid maybe?

[vereshchak]

I installed an aem truboost controller and have been playing around with it for about a month. My car will barely go over 10 psi sometimes ill spike 11 or 12 but not consistently. I broke my compressor and am getting around to fixing it so I have no boost leak tested. I dont think boost leaks are my problem because I replaced all new silicone boost piping and Idle air piping along with sealing my IACV. I did some research and people are saying you must remove the stock safety boost solenoids in order to boost higher? I want to boost between 12-14 psi (yes I know thats pushing the stock limit).

Does anyone know how to remove the stock solenoids? I cant find a good write up and some people claim you can just unplug it? Any help is appreciated

[PapaSmurf2k3]

I would think you could just unhook the vacuum line from the wastegate actuator (from wherever its coming from), and hook one up from your boost controller, no?
How do you have it plumbed now?

[vereshchak]

Its not visible with all the hard pipes in place. Im wondering if unplugging it will work for now or if i need to fully remove it all. I have my wastegate lines coupled on both sides where they used to connect to the nipples on the hard pipes and meet together at a T which leads into my ebc, and both nipples on the hard pipes are connected together with a T in the middle which leads out of my ebc.

When I turn my EBC off I still get the same 10 psi

[vereshchak]

Forgot to mention that my boost doesn't raise past 10 psi no matter how high my duty cycle is

[vereshchak]

I unplugged my wastegate solenoid connectors which made only 7 psi when i have my EBC turned off so i know theyre successfully unplugged. Again I maxed out my duty cycle and I still have such a hard time boosting over 10psi

[PapaSmurf2k3]

You might be going the wrong way.
Your boost controller may be a normally closed PWM solenoid or something. The higher the duty cycle, the more air it is feeding your wastegate actuators. Try decreasing dutycycle.

[vereshchak]

I've ensured several times that the boost solenoid is routed properly. When duty cycle is relatively low the boost is closer to waste gate pressure, but no matter how high the duty cycle is I get 10 psi and if i really ring it out to around 6500 rpm i move into 11. I kept researching and another guy on tt.net had his duty cycle lower than mine and was holding 16

[PapaSmurf2k3]

Then you probably have a problem other than your boost controller.

[vereshchak]

My boost controller is brand new I didn't think it was the issue. That's why I was saying is it possibly the wastegate solenoids but that's been ruled out. Getting my buddy to bring over his air compressor over to boost leak test. Could the problem possibly have to do with my recirc valves?

[PapaSmurf2k3]

If they have sealing issues, yes. Your wastegates could also be out of adjustment or something. Have you tried popping the rod off and making sure the actuator has some pre-tension on it?

[vereshchak]

I did a boost leak test today and I hear a loud hissing sound that seems like it comes from my driver side turbo although i can't seem to get in anywhere around there. I can hear it loud from the bottom of the car. I just replaced my turbo outlet couplers with new clamps, I also sprayed it with soap/water and there was no bubbling from those.

I havent checked my actuators ever

[vereshchak]

Also i could pressurize to 7 psi after holding the compressor on for a bit but doesnt go any higher. When I let the compressor off it drops kinda quickly to 5 psi and then slows a little more until 0

[PapaSmurf2k3]

If a leak is big enough, it wont make bubbles with the soapy water trick (unless you have a really high concentration of soap I guess).
It sounds like you found your problem... you just have to fix it now.

Did you plug off the intake to both turbos?

[vereshchak]

I still haven't found my problem yet. I don't know whats leaking. It's not my outlets on the turbo that's for sure. Could it be the turbo inlet pipe? How does that connect to the turbo? Gear clamps or bolts? Is there a gasket?

I saw a video of a guy boost leak testing his Z and it was holding everything and then he pulled out his dipstick to release the pressure. I never thought about this before but my oil dipstick has an ugly rubber seal could I be losing boost pressure through there? It is on the driver side too

[PapaSmurf2k3]

Could it be the turbo inlet pipe?

Did you plug off the intake to both turbos?

[vereshchak]

I don't understand why you're quoting yourself lol

[vereshchak]

I used a boost leak tester in the stock MAF Tee so yes everything was blocked off