Help With Turbo - Subaru WRX Forum
 
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#1 Old 07-29-2011, 10:42 AM
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Help With Turbo

Hey guys i need some info on my 2005 wrx. It has perrin intercooler piping. factory downpipe. with a weld on 3'' exhaust. i have an aftermarket boost controller. so most of the time it reads 6 lbs. But then sometimes it boosts 11 or so. Does anyone know what this could be. I am thinking it might be the wastegate. but if anyone has other info please let me know thanks
levi
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#2 Old 07-29-2011, 03:42 PM
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Well it's only running wastegate spring pressure, that's why it's only running 6-11psi, which also means your probably getting boost creep as well, or your gauge is wrong. No offense, but there is a proven upgrade path to these cars and an aftermarket BCS and turning up the boost isn't the best place to start.

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#3 Old 07-29-2011, 06:26 PM
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Electric or manual boost controller?

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#4 Old 07-29-2011, 06:54 PM
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There is a difference in a Boost Controller and a Boost Control Solenoid. Normally when one says just controller. They are referring to a Manual Boost Controller. Which is bad/dumb/lazy (pick a adjective) to tune with one. The car comes with a electronic boost control solenoid and upgrading that with a 3 port BCS (READ NEEDS PRO TUNED unless you are good with OS) is a good thing to do once you are stage 2 or higher.

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#5 Old 07-29-2011, 08:07 PM
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Oh yea that makes sense. My bad. I was going to say if you install the hoses of a EBCS improperly then you might only make wastegate pressure. Forget I said anything.

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#6 Old 07-29-2011, 08:14 PM
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Quote:
Originally Posted by mfarnham View Post
Oh yea that makes sense. My bad. I was going to say if you install the hoses of a EBCS improperly then you might only make wastegate pressure. Forget I said anything.
You are correct that if installed wrong then it would only make wastegate pressure.

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Originally Posted by turmic
There is a difference in a Boost Controller and a Boost Control Solenoid. Normally when one says just controller. They are referring to a Manual Boost Controller. Which is bad/dumb/lazy (pick a adjective) to tune with one. The car comes with a electronic boost control solenoid and upgrading that with a 3 port BCS (READ NEEDS PRO TUNED unless you are good with OS) is a good thing to do once you are stage 2 or higher.
But he isn't a stage 2 yet, so why bother with a different form of boost control, be it maunal or otherwise?

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#7 Old 07-30-2011, 05:50 PM
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That was my point Keith. MBC is just a bad idea in my opinion.

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#8 Old 08-01-2011, 12:58 PM
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Hey guys I am sorry. I don't have a boost controller. Its an aftermarket boost gauge. My bad.
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