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09-28-2008, 12:58 AM | #1 |
Scooby Specialist
Member#: 163648
Join Date: Nov 2007
Chapter/Region:
MWSOC
Location: Xona 78•64 UHF
Vehicle:2002 WRX V9 6mt R180 Brembos |
Sti knock sensor on 02 Wrx hybrid?
Anyone ever done this? I have a hybrid knock issue was just pondering...Or is the Sti knock sensor the same as the 02 wrx, The 32bit just interprets it differently?
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09-28-2008, 01:05 PM | #2 |
Scooby Specialist
Member#: 163648
Join Date: Nov 2007
Chapter/Region:
MWSOC
Location: Xona 78•64 UHF
Vehicle:2002 WRX V9 6mt R180 Brembos |
anyone?
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09-28-2008, 06:39 PM | #3 |
Scooby Newbie
Member#: 141232
Join Date: Feb 2007
Chapter/Region:
NESIC
Location: wakefield,ma.
Vehicle:02 v7sti wagon signal green |
Its" tuned "for the size of the motor. So use the EJ257 knock sensor.
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09-29-2008, 06:37 PM | #4 |
Scooby Specialist
Member#: 163648
Join Date: Nov 2007
Chapter/Region:
MWSOC
Location: Xona 78•64 UHF
Vehicle:2002 WRX V9 6mt R180 Brembos |
Has anyone tried this I think it "might" solve some unwanted problems...If it really is tuned for the size of the motor it would be correct.
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09-29-2008, 07:00 PM | #5 |
Scooby Specialist
Member#: 108089
Join Date: Feb 2006
Chapter/Region:
MWSOC
Location: Minnesota
Vehicle:2003 WRX NF Performance |
So you're wondering if using a 2.5l knock sensor would eliminate the infamous phantom knocks using the 16bit ecu.
Because if so, I am wondering that also. |
09-29-2008, 10:41 PM | #6 |
Scooby Specialist
Member#: 163648
Join Date: Nov 2007
Chapter/Region:
MWSOC
Location: Xona 78•64 UHF
Vehicle:2002 WRX V9 6mt R180 Brembos |
Yes, yes I am. I am going to try it if no one has I mean this could be it...I have been tuning with RR and ever since this hybrid it loses power randomly from fake knock...
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10-01-2008, 12:29 AM | #7 |
Scooby Guru
Member#: 103232
Join Date: Dec 2005
Chapter/Region:
Tri-State
Location: GTX3576R 05GD, GTX3076R'd FXT
Vehicle:GTX 3071R'd 11WRX PPG,4.44,LSD,E85,6spdx3 |
Has anyone else toyed with the idea of using a sti knock sensor when doing a 2.5 hybrid swap?
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10-01-2008, 09:03 AM | #8 |
Former Vendor
Member#: 54918
Join Date: Feb 2004
Chapter/Region:
MAIC
Location: Gaithersburg, MD
Vehicle:673 WHP Element Tuning Pro Comp Engine |
Just be careful doing this because if I remember correctly the early WRX sensors emit higher voltages than the Sti sensor. The STi sensor requires amplification to get a good signal out of. While you could be fixing the phantom knock you could also reduce the ability of the ECU to detect knock. Since the ECU uses knock to determine ignition timing this could lead to a blown engine since the ECU could advance ignition well beyond the safe zone.
My 02 WRX Time Attack car with an STi motor had very high knock voltage values. This wasn't an issue since I was using a Hydra and could just raise the "knock threshold" map accordingly. Phil www.elementtuning.com |
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