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Old 09-28-2010, 04:53 PM   #1
Momosaurus WRX
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Default Boost Leaks!

Stock 2007 WRX intercooler (not my car, I'm helping a friend). Boost is maxing out at 9psi (trying to tune stage 2). Clayton (inthenameofweez) and I checked the intercooler pipes already, and swapped out the solenoid to see if that was the problem. The solenoid doesn't appear to be the problem, and the pipes aren't leaking. I'm looking for a place to test the IC core. I asked Brodawg, and he says Solid can test front mounts but not top mounts.

Anybody else know where I can get a test done? or do you have any other suggestions on where it could be leaking from?

Thanks!
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Old 09-28-2010, 04:54 PM   #2
bhhamblin
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We can test the whole system. But we really don't have anything to test the core itself
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Old 09-28-2010, 04:56 PM   #3
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any of the IC gaskets? vaccum lines cracked that you can't see? I'm probably not much help but that would be where I would check next too, swap the IC with someone's and see if that fixes it.
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Old 09-28-2010, 04:59 PM   #4
Momosaurus WRX
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gaskets are good.

hokay brody. I'll talk to him and see if he wants to bring it down to Solid. Has to be today or tomorrow tho, he's gonna try and get retuned tomorrow :/ Can u squeeze him in sometime??
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Old 09-28-2010, 06:03 PM   #5
RicersWetDream
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I posted on slc.. Just make a tester yourself.
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Old 09-28-2010, 08:25 PM   #6
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Is the restricter pill still in the vacuum line on the turbo?
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Old 09-28-2010, 08:26 PM   #7
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Quote:
Originally Posted by RicersWetDream View Post
I posted on slc.. Just make a tester yourself.
This I even have one you can borrow not sure of your location until I hit the reply button and look at your info though. lol
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Old 09-28-2010, 08:58 PM   #8
DemiSlayer
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could be a wastegate issue or a bpv opening too soon. If you want pm me and ill tell you how to make your own boost leak tester. i have had quite a few stage 2 tunes with same issues lately.
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Old 09-28-2010, 09:10 PM   #9
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Read more at http://forums.evolutionm.net/evo-how...html?kcplink=1

How To: Boost leak tester for $5.02

--------------------------------------------------------------------------------

So I needed to make a new one and i figured i'd take some pics and a quickie write-up on how to build a tester and do the check. (I did a search and couldn't find anything good, except people being confused what size couplers they need)

You'll need to go to Home Depot and get 2 parts and then stop by a tire shop and ask for a bigger size valve stem, which they will hook you up with for free.
Parts you need from Home Depot:

2" to 1.5" flexible drain rubber coupling ($4.47):

Put a clamp on the coupling around the plug area (smaller clamp that comes with the coupling won't fit, it's too small, so you'll need to source a clamp from your garage or reuse one of the intake clamps. Or get one at home depot.) And here's the finished product:Read more at http://forums.evolutionm.net/evo-how...html?kcplink=1
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Old 09-28-2010, 10:59 PM   #10
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Quote:
Originally Posted by Subr-man View Post
Is the restricter pill still in the vacuum line on the turbo?
this.
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Old 09-28-2010, 11:22 PM   #11
inthenameofweez
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Quote:
Originally Posted by Subr-man View Post
Is the restricter pill still in the vacuum line on the turbo?
It is not there. This is the first thing I checked. The guy he is getting the tune from removed it. Not sure why.
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Old 09-28-2010, 11:26 PM   #12
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Quote:
Originally Posted by inthenameofweez View Post
It is not there. This is the first thing I checked. The guy he is getting the tune from removed it. Not sure why.
That is why you are not building boost. This will cause it everytime. Go get a pill they are 2 or 3 bucks from Subaru or Cobb I may ahve one laying around.

My 05 WRX and the widebody both had the same issue. No clue why people do this. Pill = win! It sthere from the factory for a reason.
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Old 09-28-2010, 11:31 PM   #13
inthenameofweez
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Quote:
Originally Posted by Subr-man View Post
That is why you are not building boost. This will cause it everytime. Go get a pill they are 2 or 3 bucks from Subaru or Cobb I may ahve one laying around.

My 05 WRX and the widebody both had the same issue. No clue why people do this. Pill = win! It sthere from the factory for a reason.
Unless you're using a 3-port!!!!!!!!!!!!!
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Old 09-29-2010, 12:32 AM   #14
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Quote:
Originally Posted by DemiSlayer View Post
could be a wastegate issue or a bpv opening too soon. If you want pm me and ill tell you how to make your own boost leak tester. i have had quite a few stage 2 tunes with same issues lately.
he's your customer! It's the 07 wrb wrx wagon.

Quote:
Originally Posted by inthenameofweez View Post
Unless you're using a 3-port!!!!!!!!!!!!!
He now has a 3 port on there.
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Old 09-29-2010, 10:22 AM   #15
Not-EWRX
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Is this a Blue WRX with lots of bass. I think I sredded with this guy over the weekend.

I kind of figured that's what his problem was. You'd be amazed how much boost a little TD04 can build even with a huge leak. 90% of the time under boosting is caused by a malfunctioning boost control system. Tell him to get that pill back in there or to get a 3 port BCS pronto.
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Old 09-29-2010, 10:25 AM   #16
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Quote:
Originally Posted by Subr-man View Post
No clue why people do this. Pill = win! It sthere from the factory for a reason.
I think it's an Ogden thing.

"YO, BRO-DAWG, I herd if you yank out some boost lines you can gain like 50hp. It'll be mad tyte, pop the hood."

It's not the first time I've herd of people doing this.
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Old 09-29-2010, 03:46 PM   #17
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Quote:
Originally Posted by Not-EWRX View Post
Is this a Blue WRX with lots of bass. I think I sredded with this guy over the weekend.
Yeah. explain "sredded" lol.

Quote:
Originally Posted by Not-EWRX View Post
I think it's an Ogden thing.

"YO, BRO-DAWG, I herd if you yank out some boost lines you can gain like 50hp. It'll be mad tyte, pop the hood."

It's not the first time I've herd of people doing this.

He bought the car with a salvaged title, idk how molested the car is/was. It looks good, and alot of things seem to be right. But it definitely didn't have the stock tune on it when he got it.
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Old 09-29-2010, 04:03 PM   #18
08WhiteRex
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It won't build boost, how does that look good or seem right?
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Old 09-29-2010, 04:58 PM   #19
Momosaurus WRX
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i didn't know and neither did he, until he went to get it tuned. the body looks good considering it's salvaged. Not a whole lot of bondo, and what is there is very smooth.

nothing immediately caught clayton's eye or my eye when trying to find the boost leaks. when i helped ryan (the owner) install his dp, all of the bolts were there, everything seemed right. the only thing that seemed off were a few zipties that held a couple wiring harnesses together.
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Old 09-29-2010, 05:14 PM   #20
Not-EWRX
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Quote:
Originally Posted by Momosaurus WRX View Post
Yeah. explain "sredded" lol.
My Ogden buddies are very pro-active about their snowboarding. They hold summer time rail sessions. He stopped by a few times.
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Old 09-29-2010, 05:45 PM   #21
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To weed out if it's EBC issue or mechanical do this; put the stock EBCS and the pill back in with normal stage 2 map and see if you hit your boost target. If you don't then it's clear either the 3-port is hooked up incorrectly(or busted) or your tuner doesn't know wtf he's doing.
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Old 09-29-2010, 05:53 PM   #22
Momosaurus WRX
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He's on his way to the tuner right now I believe.
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Old 09-30-2010, 11:20 AM   #23
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Tune, leak, EBCS hooked up wrong and or a combination of these things...
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Old 09-30-2010, 03:33 PM   #24
Momosaurus WRX
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He took it to solid and they put in a bigger pill or something. It ran great for about 15 minutes, then something happened and he was back down to 5-8 psi :/
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Old 09-30-2010, 06:02 PM   #25
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and it fixed itself. his car is weird.
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