Question for the tuners out there, professional or hobbyist.

STi 5 · 04-12-2010, 11:49 PM

I'm getting ready to install my wideband O2 into my test pipes that should be here in the morning. My question is, is there a preferred bank of cylinders to install the wideband into? As in, is one bank any different than the other, ie: run a little leaner or richer? Coming from the STi and other 4 cylinders before that, I always had a single exhaust pipe and this never came up. Thanks in advance.

Rob@AAMComp · 04-22-2010, 08:58 AM

It really does not matter, both banks read about the same from our experiences.

The factory A/F sensors are considered "wide band" from what I remember.

Dave@Function · 04-22-2010, 10:46 AM

Quote:

Originally Posted by Rob@AAMComp

It really does not matter, both banks read about the same from our experiences.

The factory A/F sensors are considered "wide band" from what I remember.

+1

The DE's will run a little leaner on one bank but its within a 10th. Haven't gotten to watch the HR on the monitors yet.

STi 5 · 04-22-2010, 02:34 PM

Thank you both very much, I was beginning to wonder if anyone was gonna respond.

04-12-2010, 11:49 PM	#1 (permalink)
STi 5 Base Member Join Date: Jul 2009 Location: Middle Of Some Town, OH Posts: 119 Drives: 2011 STi Rep Power: 15	Question for the tuners out there, professional or hobbyist. I'm getting ready to install my wideband O2 into my test pipes that should be here in the morning. My question is, is there a preferred bank of cylinders to install the wideband into? As in, is one bank any different than the other, ie: run a little leaner or richer? Coming from the STi and other 4 cylinders before that, I always had a single exhaust pipe and this never came up. Thanks in advance.

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04-22-2010, 08:58 AM	#2 (permalink)
Rob@AAMComp Base Member Join Date: Apr 2010 Location: Rockville MD Posts: 34 Drives: Fun Commuter Rep Power: 15	It really does not matter, both banks read about the same from our experiences. The factory A/F sensors are considered "wide band" from what I remember.

04-22-2010, 02:34 PM	#4 (permalink)
STi 5 Base Member Join Date: Jul 2009 Location: Middle Of Some Town, OH Posts: 119 Drives: 2011 STi Rep Power: 15	Thank you both very much, I was beginning to wonder if anyone was gonna respond.