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11-25-2020, 11:30 PM | #1 |
Scooby Newbie
Member#: 35223
Join Date: Apr 2003
Chapter/Region:
SWIC
Location: Seligman, MO
Vehicle:2002 WRX Wagon WR Blue |
Which wideband?
Hey all,
I've been doing more engine swaps lately and looking to do the tuning in house with opensource. What wideband setup would you recommend? Want something I can take from car to car, accurate, reliable and won't brake the bank. I've already got a new laptop running ecuflash, romraider, etc. So I was thinking I could just get something like this and creat a tailpipe clamp for it. https://www.maperformance.com/products/aem-wideband-uego-air-fuel-ratio-gauge-30-4110?variant=38727865539&gclid=CjwKCAiAnvj9BRA4Eiw AuUMDf3W8UM_TT7x70hbJwtd8i4w-W5Z7IeSUbLLiSZLHo5IKcH-z8OoS_hoCXx4QAvD_BwE Some have suggested innovate lm2 but do I really need all the stuff? If anyone here has built there own little tuning kit I'd love to here about it. Pros /Cons etc... Thanks!
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11-26-2020, 06:37 AM | #2 |
Scooby Specialist
Member#: 515308
Join Date: Jun 2020
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I like innovative lm1 lm2
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12-03-2020, 04:57 AM | #3 |
Scooby Specialist
Member#: 191967
Join Date: Oct 2008
Location: Vancouver
Vehicle:2005 EVO VIII open source tuning subaru |
I have been using aem uego for years. Works fine with romraider and evoscan and no free air calibration. I would be careful using a wideband in the tail pipe as being that far back the reading does get altered a bit.
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12-11-2020, 05:55 AM | #4 |
Scooby Specialist
Member#: 437670
Join Date: Jan 2016
Location: VT
Vehicle:2005 2.5 SC OB |
Aem is fine. The sensors themselves will die so get one with affordable replacements.
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12-31-2020, 03:54 PM | #5 |
Scooby Newbie
Member#: 518114
Join Date: Aug 2020
Chapter/Region:
International
Location: BR
Vehicle:11 WRX Satin White Pearl |
I'm running Fueltech's nano WB-02
https://www.fueltech.net/products/wb-o2-nano It was very cheap comparing to AEM, Innovate and others. Also it's not a gauge style, that's another reason I got it :P very small so you can hide it on the dash however you like it. |
01-01-2021, 08:19 PM | #6 |
Scooby Specialist
Member#: 260314
Join Date: Oct 2010
Chapter/Region:
NESIC
Location: S central CT, New England
Vehicle:2007 STI silver gray metallic |
Isn't the stock, four-pin sensor "wide band"?
I'm really confused now. I put a Bosch 17025 Oxygen Sensor in my race car (added a bung) and the tuner plugged into that when tuning, yet I've had two other Subaru STI's tuned without any aftermarket oxygen sensor.
A new tuner I'd like to try says my 2009 Forester XT must have a wide band oxygen sensor for him to tune it. What I read in the FSM and elsewhere states that the stock sensor is wide band. I think that that mine is though it has only four pins, unlike my Bosch, which has six pins. At what point did Subaru go to a wide band sensor? Seems like an odd statement from the tuner. |
01-02-2021, 08:12 AM | #7 |
Scooby Specialist
Member#: 437670
Join Date: Jan 2016
Location: VT
Vehicle:2005 2.5 SC OB |
Which wideband?
Most tuners will use their own wideband positioned at your tail pipe. The stock front afr sensors are good but only to about 11:1.
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01-05-2021, 03:22 PM | #8 |
Scooby Newbie
Member#: 461898
Join Date: Jan 2017
Chapter/Region:
MWSOC
Location: Ohio
Vehicle:2004 Forester XT MT 01G |
@Scargod The real answer has been a long running internet forum battle. The actual p/n does lead to a true wideband sensor. However, the general consensus is that due to exhaust pressure at the stock location, it skews very quickly and ends up providing "real" afr only within a smaller range that is roughly equivalent to a "narrowband" sensor.
Some tuners are ok with that if the build is not pushing crazy boost numbers. Other tuners are trying to be as safe as possible and insist on aftermarket sensors. Most aftermarket are now using the Bosch LSU4.9 now iirc, with a few exceptions providing Denso. Personally I have a SpartanII with Bosch LSU4.9 and have had no problems so far. |
01-06-2021, 03:11 AM | #9 |
Scooby Newbie
Member#: 510671
Join Date: Jan 2020
Chapter/Region:
SCIC
Location: California
Vehicle:2006 WRX Gray |
I have an AEM UEGO, and it works pretty well. I can plug it into my laptop via a little adapter and add that data line to my log in romRaider, as others mentioned. i had the bung welded onto my downpipe.
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