Mk7 GTI IS38 Random Drop in Boost

[Wizzi]

Going to revive this post again as i figured out the TC issue and the car is crazy fast but i seem to still be having that issue.
Here is the log for it:

https://datazap.me/u/wizzi/log-1708476698?log=0&data=3-8-9-12

from what it sounds like, the diverter valve is opening up and letting out all the boost. Also i think it would be worth noting that i have a IE intake where the connection to the turbo inlet pipe is silicone and is very squishy. Since i have no way to look at the intake while wot i am pretty sure the silicone is collapsing under boost. Is this a known issue with this intake or any intake in general, Since its ie i assumed all their parts would be high quality and have very little failure point.

Found a image on google but this is the silicone im referring to:

 

[Diggs24]

Why not put the stock box in and find out?

 

[Wizzi]

Why not put the stock box in and find out?

Unfortunately, i sold the stock box for $50 haha. I have a gopro and a flashlight, Im planing on just taping it inside the engine bay and try to recreate the issue and see if my theory is right.

 

[Diggs24]

It's not. Quit flooring it in 2nd unless you happen to find some drag radials lying around. It's clearly not going to remotely hook.

 

[Wizzi]

just looking at the log, the afr spikes to 29 while wot and with my basic understanding of how afr works the collapsing silicone seems to make sense.

 

[Wizzi]

It's not. Quit flooring it in 2nd unless you happen to find some drag radials lying around. It's clearly not going to remotely hook.

unfortunately i can recreate this in all gear ranges aside from 5th and 6th since i don't do pulls in those gears.

 

[Diggs24]

Do a 3rd gear pull then.

 

[Wizzi]

There was too much traffic to get a good run in today but i did manage to duct tape a gopro inside with a light to see whats happening, fortunately or unfortunately i did not happen this time at all but i did notice in the past that it would only have this behaviour after long drives 30+ min. But what i did notice the intake hose is being pushed against the brake fluid bottle, not sure it that would do anything in the long run.

I take my go pro with me so next time it happens i will try to set it up again.
Now im also wondering how it would feel with bigger and better tires haha

 

[PerceivedShift]

The hose will become more flexible with heat. Could try taking a hair dryer to it before a pull.

 

[Wizzi]

Sorry for taking so long, never got a chance to go for a long drive but here is the log of the boost restriction/drop after 45 min of driving.

https://datazap.me/u/wizzi/log-1708970070?log=0&data=3-8-12

3rd gear boost completely dies off and in 4th it doesnt build boost past 11 psi

 

[Diggs24]

overboosting and also out of fuel