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11-23-2011, 03:47 PM | #1 |
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What wide band O2 sensors work with Romraider?
What wideband O2 sensors work witb RomRaider? How does the data from the sensor get logged by RomRaider?
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11-23-2011, 04:59 PM | #2 |
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11-27-2011, 02:40 PM | #3 |
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Inside romraider, it will give you the options of o2 it can hook up to. I used the Innovate.
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11-27-2011, 07:05 PM | #4 |
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AEM uego is the best in my opinion. Ive had mine two years with 0 problems and I bought it used.
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11-30-2011, 03:34 AM | #5 |
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I've had good results with a PLX SM-AFR.
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11-30-2011, 08:50 AM | #6 |
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I've heard good things about AEM. Personally I use the LC-1 and have had 0 issues, but others seem to have problems logging/calibrating them
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11-30-2011, 01:23 PM | #7 |
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AEM uego, no calibration. Install and forget...
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12-02-2011, 11:49 AM | #8 |
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12-02-2011, 05:11 PM | #9 |
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I have had an LC-1 on both of my Subarus for going on 4 years now. Only thing I ever have to do is a free air calibration once in a while. They work perfectly with romraider.
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12-02-2011, 11:48 PM | #10 |
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Yep, no issues with that either.
EDIT: if anyone else wants to build one, the details are here: http://www.romraider.com/forum/viewtopic.php?f=7&t=4299 Last edited by NSFW; 12-02-2011 at 11:55 PM. |
12-03-2011, 01:00 AM | #11 |
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Ran LC-1s and an AEM UEGO, both hook up to log perfectly, preference for me is AEM
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10-14-2012, 11:36 PM | #12 |
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how much would i be looking at for a uego? i prefer AEM myself but I'm almost broke, working on a set up for next drag season. If anyone knows where or how to get one pretty cheap like maybe 100 bucks it'd be a lot of help.
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10-15-2012, 06:21 PM | #13 | |
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10-18-2012, 05:05 PM | #14 |
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I'm using a Motec PLM wired and switched into the gas gauge signal. This is the most accurate and responsive wideband I've owned so far. I've tried PLX and an LC-1. I'm using lambda instead of Air/Fuel ratios, which is far more realistic.
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10-28-2012, 02:57 AM | #15 |
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a complete kit will be extremely hard to find for $100 even if its used. Ebay has a kit listed for like $159 shipped.
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07-07-2013, 12:41 PM | #16 |
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Why do you think reading lambda is far better than AFR?
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07-07-2013, 12:42 PM | #17 |
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07-07-2013, 02:03 PM | #18 |
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07-07-2013, 07:12 PM | #19 |
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07-09-2013, 02:38 PM | #20 |
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Lol, I've had this conversation before. Because stoich changes with Ethanol blends, even within gasoline (especially when you go from E85 to E70 to E60, ect..) you can get confused very easily. So that whole idea of 14.7 being stoich goes out the window. When you think in lambda, it's always the same, 1. Either way is better |
07-09-2013, 03:08 PM | #21 | |
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Quote:
While reading in lambda is technically more correct because of changing stoich, etc., working in "gas AFR" can be significantly easier, since that's what RomRaider, ECUFlash, and ATR show your OL fueling map in, and that's what most widebands read in. If you log in lambda, you're just going to have to multiply by 14.7 anyway to compare to the OL fueling map, regardless of what fuel you're using or what its stoich is. Last edited by the suicidal eggroll; 07-09-2013 at 03:18 PM. |
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07-10-2013, 10:55 AM | #22 | |
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Yep, I understand that and absolutely agree. That is what I do because it's easy Just a noob point that I ran across and have seen before: If you force open loop and try to tune/scale for stoich of "14.7" on your own (which may or may not be stoich) then you're screwed. Once you put the ECU back in CL your fuel trims are out of whack. If you tune in closed loop (while watching corrections) you're fine, it'll try to hold stoich for you. |
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07-10-2013, 11:19 AM | #23 | |
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Quote:
Of course if you don't know that the O2 is actually reading lambda, then that could cause a problem. Trying to tune an E85 setup so that the wideband (which is showing you gas-AFR) is reading 9.8 at idle and 7.6 at WOT is going to be very frustrating... Last edited by the suicidal eggroll; 07-10-2013 at 11:24 AM. |
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07-10-2013, 11:46 AM | #24 | |
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Quote:
I did that one time without changing my LC-1 to Ethanol-AFR and couldn't figure out why it ran so bad until I smelled E85 horribly at idle, then it hit me lol. |
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07-10-2013, 04:10 PM | #25 |
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All I know is, there is no professional race engine builder, pro meaning (former)Champ car, Indy car, NASCAR, that reads in Air Fuel ratio. They all read lambda. I know this because I work and have worked for all of the above in engine development.
Either which way, whether you decide to convert to a 100% gasoline stoich of 14.7 or assume it's close, it's the controller that operates the lambda sensor that makes the most difference in the world. The only truly accurate brands are Motec and ECM. There have been numerous wideband tests online. Most use the same Bosch LSU 4.2 sensor. NASCAR uses the LSU 4.9 specifically on their Mclaren Fuel Injection systems. ECM only uses high-end laboratory grade NTK 6ma sensors. The Motec systems can use any of the above. |
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