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Discussion Starter · #1 ·
Been about 3 months of my car making 1-2lbs of boost max at wide open throttle, got a new downpipe because thats what ford tech 1 said it was, then ford tech 2 said it was the turbo, so i bought a brand new garrett powermax 350, and i got it tuned sounds great but still only makes 2lbs of boost and no ford tech knows whats wrong with it and there solution is throw more parts at it. Anyone know anything that it could be
 

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Discussion Starter · #3 ·
Intake. Down pipe, fuel pump, turbo, and charge piping. I did stratified flash tuning because there are no dynos around me that dont charge a ransom. I have no idea if its a boost leak somewhere or something goofed in the electronics but it refuses to make anything more than 2lbs of boost while acting completely fine
 

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Set up a log and upload that log to DataZap and then post the DZ link here.

This article from Stratified explains how to do a log and which parameters to use.

 
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Intake. Down pipe, fuel pump, turbo, and charge piping. I did stratified flash tuning because there are no dynos around me that dont charge a ransom. I have no idea if its a boost leak somewhere or something goofed in the electronics but it refuses to make anything more than 2lbs of boost while acting completely fine
When you say "flash" tune, would that be an off the shelf run as is tune with no revisions? That won't work well with an aftermarket turbo.
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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Fuel pump? Wth?

There is no such thing as a flash tune for a big turbo.


They only offer their "pro tune" with the powermax. Which involves revisions.


You probably have multiple issues going on right now. I would be starting with a proper boost leak test, pressurized to at least 26psi.
 

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You drove it around for 3 months, making almost no boost, then bought an aftermarket turbo?

You need to find the core issue first. Second, what @TurboGT and @ddfred said, you need a protune/tune with revisions for anything outside a K03.

You have aftermarket charge pipes with the stock FMIC?

TL;DR: intake, charge pipes, downpipe make little performance difference. Aftermarket turbo and aftermarket fuel system require custom turning. I assume you mean aux fuel?
 

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2014 ST3. Garrett GTX2860R Gen 2. FBO
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So you have a powermax, eh? Are you sure it isn't an AGP big wheel stock turbo? Because there was a guy by the name of tbands that has a big wheel stock turbo and definitely wore out his welcome a LONG time ago, along with his 15 other accounts.

Let's see some photos of your powermax.
 

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2023 Jeep Gladiator Rubicon 6spd, 2019 Mustang Bullitt
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So you have a powermax, eh? Are you sure it isn't an AGP big wheel stock turbo? Because there was a guy by the name of tbands that has a big wheel stock turbo and definitely wore out his welcome a LONG time ago, along with his 15 other accounts.

Let's see some photos of your powermax.
I second this. Proof, or we send you packing
 
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Hand tool Tool Household hardware Artifact Blade
 

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You would be a 12oz claw hammer. 🤣
For this **** show of a thread you're lucky I even got up off the couch and walked out to the garage let alone open up the tool box...
 
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2023 Jeep Gladiator Rubicon 6spd, 2019 Mustang Bullitt
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For this **** show of a thread you're lucky I even got up off the couch and walked out to the garage let alone open up the tool box...
A for effort!
 
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this looks promising. Maybe a signature update in my future.

if this is for real, is it possible he got a power max replacement turbo? Not the upgraded one. Definitely stop loading the parts cannon. Agree with boost leak test.
 
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this looks promising. Maybe a signature update in my future.

if this is for real, is it possible he got a power max replacement turbo? Not the upgraded one. Definitely stop loading the parts cannon. Agree with boost leak test.
I'm pretty sure it's tbands with his big wheel stock turbo. He wasted everyone's time last go-around, did absolutely nothing we told him to, then insulted everyone here when we called him out.

He will never be welcome back. But I try to give the benefit of the doubt if there is a slim chance this isn't him.

So let's see that powermax on your car with a slip of paper and your username stuffed next to it.
 
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