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02-23-2013, 06:05 PM | #1826 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
I'm at 24k for motor build, but I sold 7500 in parts off it. Still under 30k for 550+ including price of car.
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02-23-2013, 06:22 PM | #1827 |
Scooby Specialist
Member#: 193757
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Cedar, MI HP Techs MPS-SSLR2.5
Vehicle:2006 XTI Limited OBP, Junior tuned 573WHP |
I haven't deducted for all the parts I've sold, SI I nay be overstating my total investment. I did get $1700 for my FXT 5 speed swap when I sold it and I have another slew of parts to sell off now.
I guess though bottom line is we have cars with exceptional performance as compared to their relative cost! |
02-23-2013, 07:37 PM | #1828 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
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03-06-2013, 02:14 PM | #1829 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
Borrowed EGT thermocouple amp from kelly to compare it with AEM system i got in place.
Will hook up 2 cylinders to AEM and other 2 to EGT systems and post some numbers! I just want to prove to my self that AEM products are junk! |
03-06-2013, 02:19 PM | #1830 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
you going to monitor all 4 at the same time or just compare data?
I kinda wish I got a little better system than the PnP now, you and Kelly can log so much more fun stuff than me haha. I think quad AFR gaugues would be nice. Maybe this is because I dont know our motors as well as I should, but it sure would have helped with the injector issue I had. Nice work Anton! |
03-06-2013, 04:34 PM | #1831 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
Actually AEM unit is not that bad at all as i thought! Seems like its responding little bit faster, ill post some logs later.
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03-06-2013, 06:31 PM | #1832 | |
Scooby Specialist
Member#: 103631
Join Date: Dec 2005
Location: Mililani, Hawaii
Vehicle:2004 STI Gray |
Quote:
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03-06-2013, 06:33 PM | #1833 |
Scooby Guru
Member#: 134949
Join Date: Dec 2006
Chapter/Region:
VIC
Location: Vancouver, BC
Vehicle:'07 SWP STi Instagram | arthurlam89 |
Aem makes a kit now but it's like $600 for the 4 channel amp with 1 02 sensor. $200 for the back pressure sensor and another $300 for another 3 sensors that's like $1,100
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03-06-2013, 06:52 PM | #1834 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
Damn that is a lot.
I never thought about the back pressure. What kind of effects does that have on the AFR? |
03-06-2013, 07:31 PM | #1835 |
Scooby Guru
Member#: 32669
Join Date: Feb 2003
Chapter/Region:
SCIC
Location: Woodland Hills
Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
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03-07-2013, 12:17 AM | #1836 |
Former Vendor
Member#: 190729
Join Date: Oct 2008
Chapter/Region:
NWIC
Location: Marysville, WA
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03-07-2013, 11:44 AM | #1837 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
Is it predictable Dom?
What I mean by this, should a user run the 4 sensors in the runners along with the one 18"+ down from the turbo like normal, would you be able to tune off the normal wide band, and monitor for per cylinder changes on the other 4? |
03-07-2013, 12:38 PM | #1838 |
Scooby Guru
Member#: 32669
Join Date: Feb 2003
Chapter/Region:
SCIC
Location: Woodland Hills
Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
I'm not sure but I'm gonna go out on a limb and say no. The one in you DP would give you consistent results but the others would be varying based on EGBP which will not be constant based on engine load, boost, state of turbo spool, etc so you wouldn't be able to get any consisted correlation between the DP and the header mounted O2 sensors readings without knowing the pressure in the header at that instant.
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03-07-2013, 03:24 PM | #1839 |
NASIOC Vendor
Member#: 4803
Join Date: Mar 2001
Location: Austin, TX
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It is predictable if an accurate pressure compensation is involved. Without knowing EGBP, it's not.
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03-07-2013, 07:25 PM | #1840 | |
Scooby Specialist
Member#: 103631
Join Date: Dec 2005
Location: Mililani, Hawaii
Vehicle:2004 STI Gray |
Quote:
The real issue is the price and utility. You'll need to weld in the 4 bungs and purchase the o2 sensors, and I wouldn't expect them to last very long at high boost despite a heat sink. Once the per cylinder comps are set, I'd think that normal tuning off the regular wideband could resume. In other words, I dont think that per comps would need to be modified often unless you have crappy injectors that you'd like to monitor. The only question that I have is how long do those 02 sensors live so close to the exhaust ports, even with the heatsinks? I would think that you're primarily looking for the delta between cylinders more than using the individual sensors for closed loop feedback control. Once you can reduce the deltas, how often do you need to log? If they don't last long, I'd probably pay half or a portion and ask a tuner to pay half so that they could keep it for other cars as that would make it more practical for dyno use. But then again, who's going to weld in 4 bungs just for a good tune? |
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03-08-2013, 01:04 AM | #1841 |
Scooby Guru
Member#: 134949
Join Date: Dec 2006
Chapter/Region:
VIC
Location: Vancouver, BC
Vehicle:'07 SWP STi Instagram | arthurlam89 |
I would weld in 4 bungs
Small price to pay to know all 4 cylinders are equally happy. |
03-08-2013, 08:23 AM | #1842 | |
Scooby Guru
Member#: 170602
Join Date: Jan 2008
Location: j-ville fl
Vehicle:06 Wrx RWD Auto 76MM-AEM-2200's |
Quote:
Once you see where each cylinder afr wise and make your changes, as you tune the car afr wise off the main wideband the 4 in the primaries should all remain the same. You'd be surprised at how much power you'll pick up and how much safer it would be on the engine. |
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03-09-2013, 01:43 PM | #1843 |
Former Vendor
Member#: 190729
Join Date: Oct 2008
Chapter/Region:
NWIC
Location: Marysville, WA
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5 gas analyzer is the only real way.
O2's will not be accurate or reliable. |
03-11-2013, 04:32 PM | #1844 |
Scooby Guru
Member#: 32669
Join Date: Feb 2003
Chapter/Region:
SCIC
Location: Woodland Hills
Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
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03-11-2013, 06:33 PM | #1845 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
not much to post
cylinder 2 runs hotter for some reason, and little better if i add a bit of fuel. I left cyl 2 with extra 2 units of fuel. Last edited by Bariga; 03-18-2013 at 10:21 PM. |
03-18-2013, 10:28 PM | #1846 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
delete
Last edited by Bariga; 03-19-2013 at 02:47 PM. |
03-19-2013, 02:44 PM | #1847 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
3d gear 19 psi pump numbers "need to lean it out a bit was tuning with ecu not reading gauge correctly"
10 psi at 3300 rpm 20 psi at 3800 rpm EGT was at 1300 F on this pull which is low any ideas guy? Last edited by Bariga; 03-19-2013 at 05:18 PM. |
03-19-2013, 07:41 PM | #1848 |
Scooby Guru
Member#: 195711
Join Date: Nov 2008
Chapter/Region:
MWSOC
Location: Lapeer MI
Vehicle:PART OUT. PM ME 02-07 Goodies |
Your boost curve has curves now... needs more components
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03-19-2013, 07:59 PM | #1849 |
Scooby Specialist
Member#: 179846
Join Date: May 2008
Chapter/Region:
NWIC
Location: Renton, WA
Vehicle:07 STi Limited EFR 8474 TS EWG |
that was done on cold header, as soon as i do 3-4 pulls it gets as flat as 11 year old
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03-19-2013, 09:13 PM | #1850 |
Scooby Guru
Member#: 32669
Join Date: Feb 2003
Chapter/Region:
SCIC
Location: Woodland Hills
Vehicle:2007 2.34LR, EFR7670 LINK G4+ hybrid STi |
I need to do a VD of my car to see how she is doing. Is VD easy to setup?
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