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Old 02-07-2008, 12:23 AM   #1
williaty
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Default Best Location for a LC-1 WBO2 Sensor for RomRaider Logging?

On a 2005 2.5RS, is the best place to install a bung for a WBO2 just after the collector in the headers, or at the front of the cat section?

Also, will the LC-1 come with a USB cable, or do I have to get a Serial->USB converter dongle?
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Old 02-07-2008, 12:45 AM   #2
Master2192
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LC-1 does not have a USB Cable, you will need the converter.

Also. install it in front of the Converters, you won't get anywhere near an accurate reading after them.
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Old 02-07-2008, 12:48 AM   #3
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Right, I meant before. I was just asking headers cause it's closer to the engine or very front of cat pipe because it's small and easy to take out.
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Old 02-07-2008, 01:35 AM   #4
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In the manual, Innovative suggest mounting it after the turbo but before the cat and in between the 11-2 o'clock position (top third of the pipe when looking down)
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Old 02-07-2008, 01:39 AM   #5
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Quote:
Originally Posted by wrxsti.l View Post
In the manual, Innovative suggest mounting it after the turbo but before the cat and in between the 11-2 o'clock position (top third of the pipe when looking down)
Unpossible.

I have no turbo to put it after.
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Old 02-07-2008, 01:46 AM   #6
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Yeah, Innovate says not to mount it close to the turbo but in order to mount it between the 11 o'clock and 2 o'clock position that gives you not too many options. I have heard of people mounting it back close to the tailpipe but I mounted mine on the downpipe in the 2 oclock position. It works much better there. Calibrating it is tough but its worth the data once you get it going. Good luck
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Old 02-07-2008, 01:49 AM   #7
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I don't have a turbo, I don't have a downpipe.

I have an RS. That means headers->cat->muffler->FREEDOM!
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Old 02-07-2008, 01:53 AM   #8
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Ah, my bad. Well tuning is probably much easier I would bet. I suppose that I would place the bung for the LC-1 after the headers. But that could be complicated or easy because I have no clue as to how the setup is after the headers on an RS.
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Old 02-07-2008, 06:08 PM   #9
Master2192
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It really doesn't matter as long as it is before the converters. The only difference is the closer you get it to the cylinders the closer your readings will be to realtime. If you can, put it in the collector or directly after it.
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Old 02-07-2008, 06:41 PM   #10
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Sorry I didn't realise the RS was not turbo (I'm from aus).


For non-turbo cars, it should be mounted just after the header collector (where the headers merge into one) and still inbetween the 11-2 o'clock location.

Hope this helps.
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Old 02-08-2008, 01:58 AM   #11
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here's a pic of an RS header:


Is welding it basically right in to the final collector right by the downstream flange ok?
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Old 02-08-2008, 02:32 AM   #12
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I would believe that it would be best to weld the bung in the pipe right after the collector. I would think that if you do it right in the collector then the exhaust gases would be combining together and the WB02 might receive a different read than after they have combined and begin the exit process. But thats just another possible option. You'll have post some pics when you get this done cause I would like to see how it turns out.
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Old 02-08-2008, 02:34 AM   #13
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Have you figured out how to run your electrical into the cab? I have my Lambda cable and plug on my firewall and then had to drill a small hole into the passenger floor then ran the cables up through the center dash.
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Old 02-08-2008, 03:42 AM   #14
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No, I just started thinking about how to get the cable into the cabin. I was wondering if anyone knows if theres a way to bring it up through the tranny tunnel. The shift linkage has to end up inside the cabin somehow.
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Old 02-08-2008, 05:21 AM   #15
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so you're on a completely stock exhaust? is it cast iron or tubular? i would think ideally you would put it right before the exit of the headers in the collector, or at the beginning of the next pipe in line before the cat if thats possible.
the sensor will have a wire loom coming off of it of course, and that attaches to the main lc-1 connector, then runs into the cabin. i would recommend running the wires through one of the rubber grommets in the firewall which should bring it through under the dash and can be routed where you need it. zip tie the wire coming off of the sensor and the main connector to the underside of the car or the firewall, whatever is nearest and most logical.
and i ordered a blue/silver usb-serial converter from newegg.com for pretty cheap and its been great. no compatibility issues which some have, and it has threaded pins on either side to lock it down securely so no worries of it coming unplugged ever.
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Old 02-08-2008, 08:27 AM   #16
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Quote:
Originally Posted by Wrinkleboi View Post
so you're on a completely stock exhaust? is it cast iron or tubular? i would think ideally you would put it right before the exit of the headers in the collector, or at the beginning of the next pipe in line before the cat if thats possible.
the sensor will have a wire loom coming off of it of course, and that attaches to the main lc-1 connector, then runs into the cabin. i would recommend running the wires through one of the rubber grommets in the firewall which should bring it through under the dash and can be routed where you need it. zip tie the wire coming off of the sensor and the main connector to the underside of the car or the firewall, whatever is nearest and most logical.
and i ordered a blue/silver usb-serial converter from newegg.com for pretty cheap and its been great. no compatibility issues which some have, and it has threaded pins on either side to lock it down securely so no worries of it coming unplugged ever.
^^ Like he said. There should be one such grommet by the drivers pedals.
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Old 03-10-2008, 11:46 AM   #17
z38er
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Hi there.......
last week i have seen my trrany tunel cuz i broke this
cuz of the stiff kartboy bushing, the load was on the ring...





anyway, i was thinking to get the lc-1 through it, wut do u think...
btw where the hell is that firewall ????
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