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02-04-2013, 04:43 AM | #5576 | |
Scooby Guru
Member#: 4414
Join Date: Feb 2001
Location: Dublin, CA
Vehicle:2002 WRX Sedan Midnight Black |
Quote:
Obviously these will come with stock STi injectors, if that's not enough for you, you need to move injectors over. Power-wise on the same turbo you will generally see a small bump in peak power from the better flowing heads. Not huge, but some. AVCS means low end and off-boost improves, so the powerband is overall broader on the 207. v8 / 9 is twinscroll and you either use all the JDM stuff or you move EVERYTHING over from your current engine. Header, uppipe, turbo, downpipe, heat shielding + brackets, oil cooler, and intercooler support bracket are all different from single scroll.
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02-04-2013, 02:18 PM | #5577 |
Scooby Newbie
Member#: 291124
Join Date: Aug 2011
Location: Westbank
Vehicle:05 wrx blue |
are there any pros and cons going with one over the other, like should I get a v7 before getting a v9 because its ...??blank??...???blank...?????? or get a V8 before getting a V7 because ...????blank..??blank??.. get what im saying?
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02-04-2013, 02:24 PM | #5578 |
Scooby Newbie
Member#: 273900
Join Date: Feb 2011
Chapter/Region:
NESIC
Location: norwich,ct
Vehicle:02 wrx SRP |
someone should take all the info and put it in the first page
-best place to get motors -what are good things to replace/look over before install -what is needed for each motor to work it would kill alot of random questions |
02-04-2013, 02:32 PM | #5579 | |
Scooby Specialist
Member#: 59837
Join Date: Apr 2004
Chapter/Region:
SWIC
Location: Nor Cal
Vehicle:2004 Spec-C Type RA What MAF? -Speed Density! |
Quote:
Or for the more condensed version http://forums.nasioc.com/forums/show....php?t=2385141 I still say the 207 needs its own dedicated sub-forum within the 2.0L Powertrain forum |
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02-04-2013, 02:44 PM | #5580 |
Scooby Newbie
Member#: 291124
Join Date: Aug 2011
Location: Westbank
Vehicle:05 wrx blue |
thanks, I did read that whole post already.
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02-04-2013, 03:13 PM | #5581 |
Scooby Specialist
Member#: 172698
Join Date: Feb 2008
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:11 STi BW 8374 E85 02 v8 Spec C E85 |
Question for you guys that are running the CarBerry SD rom - what are you using to meter your intake air temps?
Are you using the IAT sensor built into the MAF? Using the OEM intake manifold temp sensor located below the throttle body? Or an aftermarket IAT sensor scaled and mounted somewhere? I have the stock air box currently and might go with a cold air intake eventually. I'm trying to determine the best option for metering the intake temps. It seems like a lot of people just use the MAF sensor's IAT reading and that is good enough but being that intake temps are more important with SD, I want to use the best location. Let me know what you guys think the best option is. |
02-04-2013, 03:29 PM | #5582 |
Scooby Specialist
Member#: 224785
Join Date: Sep 2009
Chapter/Region:
MWSOC
Location: neenah
Vehicle:2005 wrx-jdm207 i went black... |
mount one in the intake mani. or the bottom tank of the tmic.
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02-04-2013, 03:52 PM | #5583 |
Scooby Specialist
Member#: 172698
Join Date: Feb 2008
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:11 STi BW 8374 E85 02 v8 Spec C E85 |
There is already one in the intake manifold, below the throttle body. Should I wire it to the intake temp wires going to the MAF sensor currently? Do you know if it uses the same scaling as the MAF IAT sensor?
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02-04-2013, 06:29 PM | #5584 | |
Scooby Specialist
Member#: 59837
Join Date: Apr 2004
Chapter/Region:
SWIC
Location: Nor Cal
Vehicle:2004 Spec-C Type RA What MAF? -Speed Density! |
Quote:
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02-04-2013, 08:01 PM | #5585 |
Scooby Specialist
Member#: 157532
Join Date: Aug 2007
Chapter/Region:
MWSOC
Location: Iowa
Vehicle:2002 MY03 EJ207 E85 Dom 1.5XTR Twinscroll! |
Are there any better sensors that could replace the sensor in the manifold or is it just easier to tap the IC? Seems like it would be a pain to swap that sensor.
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02-04-2013, 08:20 PM | #5586 | |
Scooby Specialist
Member#: 59837
Join Date: Apr 2004
Chapter/Region:
SWIC
Location: Nor Cal
Vehicle:2004 Spec-C Type RA What MAF? -Speed Density! |
Quote:
This one will replace the stock sensor or the PCV valve, i believe both are 1/8 BSP Last edited by lukeskywrx; 02-04-2013 at 09:00 PM. |
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02-04-2013, 10:02 PM | #5587 |
Scooby Specialist
Member#: 46177
Join Date: Oct 2003
Chapter/Region:
MAIC
Location: Baltimore, MD
Vehicle:2002 WRB WRX 99 RSTi Coupe |
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02-04-2013, 11:15 PM | #5588 | |
Scooby Specialist
Member#: 224785
Join Date: Sep 2009
Chapter/Region:
MWSOC
Location: neenah
Vehicle:2005 wrx-jdm207 i went black... |
Quote:
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02-05-2013, 08:41 AM | #5589 |
Scooby Specialist
Member#: 157532
Join Date: Aug 2007
Chapter/Region:
MWSOC
Location: Iowa
Vehicle:2002 MY03 EJ207 E85 Dom 1.5XTR Twinscroll! |
Last night I was looking through my box-o-stuff and came across my old tmic to throttle body silicon coupler that has my meth nozzle installed in it. Has anyone installed an iat sensor in the hose there like a meth nozzle? Seems like an easy way to get a sensor there without any permanent modification.
Thoughts? |
02-05-2013, 09:30 AM | #5590 |
Scooby Guru
Member#: 6886
Join Date: May 2001
Chapter/Region:
Tri-State
Vehicle:MY01 EJ207 HTA35r AVCS ON! |
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02-05-2013, 10:24 AM | #5591 | |
Scooby Specialist
Member#: 172698
Join Date: Feb 2008
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:11 STi BW 8374 E85 02 v8 Spec C E85 |
Quote:
I am curious though as to why you replaced the PCV valve connection on the manifold. Wouldn't you want to leave that intact to provide a strong vacuum to the crankcase? |
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02-05-2013, 10:58 AM | #5592 |
Scooby Specialist
Member#: 163625
Join Date: Nov 2007
Chapter/Region:
NWIC
Location: Lynnwood, Wa.
Vehicle:91 Legacy SS Silver |
So does anyone have a jdm V7/8 ecu they wanna sell? I figured I'd ask in here since this is where most of the 207 guys are, and nobody ever checks the WTB ads.
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02-05-2013, 11:19 AM | #5593 | |
Scooby Specialist
Member#: 257818
Join Date: Sep 2010
Chapter/Region:
SWIC
Location: ABQ, NM
Vehicle:2007 STi CGM |
Quote:
You're better off contacting the vendors mentioned in this thread. |
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02-05-2013, 12:17 PM | #5594 |
Scooby Guru
Member#: 22923
Join Date: Aug 2002
Chapter/Region:
International
Location: above 8000 rpm!
Vehicle:2002 EJ207 V8 1.5xtr TWIN-SCROLL Black Bugeye |
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02-05-2013, 01:14 PM | #5595 | |
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Join Date: Sep 2012
Chapter/Region:
HIIC
Location: https://t.me/pump_upp
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Quote:
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02-05-2013, 01:32 PM | #5596 | |
Scooby Specialist
Member#: 59837
Join Date: Apr 2004
Chapter/Region:
SWIC
Location: Nor Cal
Vehicle:2004 Spec-C Type RA What MAF? -Speed Density! |
Quote:
The PCV only works at negative relative manifold pressure so the only time it is really doing anything is idle and very light cruising to decrease emissions. All other times vacuum is sourced from the turbo inlet so I am fine with my crank being a slightly higher pressure at idle and low throttle cruise as long as I get good vacuum at WOT. |
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02-05-2013, 02:22 PM | #5597 | |
Scooby Specialist
Member#: 172698
Join Date: Feb 2008
Chapter/Region:
MWSOC
Location: Des Moines, IA
Vehicle:11 STi BW 8374 E85 02 v8 Spec C E85 |
Quote:
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02-05-2013, 06:00 PM | #5598 | |
Scooby Specialist
Member#: 93206
Join Date: Aug 2005
Chapter/Region:
NESIC
Location: somerville, MA
Vehicle:02 WRX.... JDM V7/8/9 RA-R Rotated |
Quote:
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02-05-2013, 07:50 PM | #5599 |
Scooby Guru
Member#: 56203
Join Date: Feb 2004
Chapter/Region:
Tri-State
Location: south nj
Vehicle:00 RSTI Coupe Twin Scroll 2.5XTR EJ207 |
Can you post how you figured out incase anyone else ever has a similar issue please.
I bet it was wiring related |
02-05-2013, 07:54 PM | #5600 |
Scooby Specialist
Member#: 93206
Join Date: Aug 2005
Chapter/Region:
NESIC
Location: somerville, MA
Vehicle:02 WRX.... JDM V7/8/9 RA-R Rotated |
The issue is that I have the TIC tgv deletes which then separate the grounds from the engine to the manifold. I ran a ground from the tower to the manifold and then to the head on that side.
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