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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > n54 WG idea share what do u think



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      12-05-2015, 05:42 PM   #1
deepocean
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n54 WG idea share what do u think

i was thinking of welding the flaper shut for turbos or disconnect vacuum line with zip tie to keep the arm from moving

its just an idea maybe someone did it?
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      12-05-2015, 06:11 PM   #2
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I'm not sure you know how a wastegate actually works... Might want to read up first.
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      12-05-2015, 06:25 PM   #3
deepocean
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yes u r right i dont.. its just an idea came to my mind
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      12-05-2015, 06:38 PM   #4
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Quote:
Originally Posted by weehe126 View Post
I'm not sure you know how a wastegate actually works... Might want to read up first.
Hahah that was a nice way to put it.
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      12-05-2015, 06:40 PM   #5
idratherbesurfing
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How does an Internal Wastegate work?

The actuator of the internal wastegate is connected to a pressure only source which means that whatever the pressure is within the pressure side of the turbocharger compressor, the sealed chamber is also at the same pressure.

As the pressure of the air being compressed by the turbocharger increases, the pressure within the sealed chamber of the actuator increases which applies a force on the spring. When the pressure is high enough to overcome the spring force, the wastegate valve begins to open, diverting exhaust gas around the turbine, allowing it to maintain its speed.
If the pressure drops, then the spring pushes the valve shut and allows the turbine to build up speed. If the pressure increases, then the valve will open further, bypassing more exhaust gas to try to maintain the desired pressure.


.....aka. You aint welding it shut ha
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      12-05-2015, 07:00 PM   #6
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LMAO!

Research your next big idea before you cause more damage!

You'll probably want to route exhaust back into intake next.
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      12-05-2015, 07:06 PM   #7
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      12-05-2015, 07:25 PM   #8
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Quote:
Originally Posted by idratherbesurfing
How does an Internal Wastegate work?

The actuator of the internal wastegate is connected to a pressure only source which means that whatever the pressure is within the pressure side of the turbocharger compressor, the sealed chamber is also at the same pressure.

As the pressure of the air being compressed by the turbocharger increases, the pressure within the sealed chamber of the actuator increases which applies a force on the spring. When the pressure is high enough to overcome the spring force, the wastegate valve begins to open, diverting exhaust gas around the turbine, allowing it to maintain its speed.
If the pressure drops, then the spring pushes the valve shut and allows the turbine to build up speed. If the pressure increases, then the valve will open further, bypassing more exhaust gas to try to maintain the desired pressure.


.....aka. You aint welding it shut ha
I thought you knew it was vacuum and not pressure. Our system is reversed. But you are correct on other systems.
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      12-05-2015, 08:29 PM   #9
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Welding it shut would probably cook your turbos and you'll be in constant boost and even over boost then most likely blow your rods through the block. I'd actually like to see this done to see how long it will last and what will happen.
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      12-05-2015, 09:54 PM   #10
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Flapper closes to build boost then opens to regulate and control boost at boost target. Running closed all time would over boost and likely mess up something rather quickly
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      12-05-2015, 10:26 PM   #11
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Quote:
Originally Posted by deepocean View Post
i was thinking of welding the flaper shut for turbos or disconnect vacuum line with zip tie to keep the arm from moving

its just an idea maybe someone did it?
Quote:
Originally Posted by idratherbesurfing View Post
Hahah that was a nice way to put it.
Yo weld that ish shut. 599 wheel horsepoooooooowaaaaa!!!!
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      12-05-2015, 10:26 PM   #12
idratherbesurfing
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Quote:
Originally Posted by ///Mposter View Post
I thought you knew it was vacuum and not pressure. Our system is reversed. But you are correct on other systems.

That was a copy post article from Turbosmart...you cant weld it shut...it literally regulates boost.
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      12-05-2015, 10:44 PM   #13
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lol true max boost eh.
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      12-05-2015, 10:50 PM   #14
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Whoa
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      12-05-2015, 11:49 PM   #15
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Great idea..... YOU FIRST
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      12-06-2015, 02:15 AM   #16
deepocean
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okay guys now its clear no worries of some comments now i have good idea
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