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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: Quicksilver440]
#603267
02/04/10 12:19 AM
02/04/10 12:19 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
I'm getting ready to install my new Lc-1 wideband and wondered if I should put the o2 in the x-pipe to read both sides....or in the pipe just behind the collector?
One factor is I have cut-outs before the x-pipe...so it wouldn't work if installed in the x-pipe and I opened the cut-outs. But.......I don't usually open the cutouts.
Also...if I have the cutouts open....how far before the cutout does the sensor need to be to insure that I get good readings?
I would try for 12" from the opening if you un cap but that might not be possible in some cases, do your work with it closed up if need be... I have a bung in both collectors and do the tuning then I pull the o2 and plug the bungs(I cant see keeping the o2 in when I'm not reading them)
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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: BradH]
#603270
02/04/10 03:26 AM
02/04/10 03:26 AM
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Joined: Jan 2003
Posts: 10,766 Central Valley, CA.
Quicksilver440
OP
I Live Here
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OP
I Live Here
Joined: Jan 2003
Posts: 10,766
Central Valley, CA.
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Thanks for the input guys....I have chrome headers that I was trying to avoid welding on....but I'll see if I can get it more than a foot ahead of the cutouts.....I think I may install one in the x-pipe too... I have a few spare o2 bungs laying around already. Hopefully my new aluminum fuel tank (bolts in place of the stock tank) will be here by Friday so I can test the O2 out this weekend...
Last edited by Quicksilver440; 02/04/10 03:49 AM.
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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: Quicksilver440]
#603271
02/04/10 10:32 AM
02/04/10 10:32 AM
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Joined: Jan 2003
Posts: 1,263 Southwestern Ontario Canada
racealittle
pro stock
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pro stock
Joined: Jan 2003
Posts: 1,263
Southwestern Ontario Canada
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On my last car, I installed the O2 bung in the center of the X pipe. My cutouts were welded in after the X.
I think that was the best of all worlds since I was running a dual plane RPM intake.
The advantage of having one in each pipe may be necessary for a single plane intake.
Whatever you decide, I found the placement I chose for my situation an absolute asset.
Too many cars, too many parts, too little coin, too little space to work in, too little time left to make it all happen!
Update: down to one ride, still too many parts, a little more jingle in the pocket, gaining space, and it's going to happen this year!
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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: racealittle]
#603272
02/05/10 05:23 AM
02/05/10 05:23 AM
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Joined: Feb 2005
Posts: 283 N.E. England
Roppa440
super street
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super street
Joined: Feb 2005
Posts: 283
N.E. England
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If the sensor is heated you can put it where you like. If it is not heated I would put it as close to the collector as possible without getting in the way of the bolts. But I wouldn't put it actually in the collector as you want to make sure you are measuring an average of all 4 primary pipes.
Also you want to make sure the bung is up in the 10 o'clock or 2 o'clock position if possible so raw fuel or moisture does not effect it.
2002 Chevrolet Corvette 5.7 LS1
2011 Alpha Romeo Giulietta Veloce 1.6 JTD
Because running a Mopar in the UK is getting TOO expensive!!
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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: Roppa440]
#603273
02/05/10 05:54 AM
02/05/10 05:54 AM
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Joined: Jun 2003
Posts: 52,972 Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
If the sensor is heated you can put it where you like. If it is not heated I would put it as close to the collector as possible without getting in the way of the bolts. But I wouldn't put it actually in the collector as you want to make sure you are measuring an average of all 4 primary pipes.
Also you want to make sure the bung is up in the 10 o'clock or 2 o'clock position if possible so raw fuel or moisture does not effect it.
If you get the sensor too close to the exit you can get a false reading with air possibly backing up in the collector
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Re: Wideband O2 senser in x-pipe or just behind collector?
[Re: Roppa440]
#603275
02/05/10 10:44 AM
02/05/10 10:44 AM
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Joined: Nov 2008
Posts: 833 MN
hemidup
super stock
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super stock
Joined: Nov 2008
Posts: 833
MN
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I use an Inovate wide band with the 02 sensor installed in the collector, however the 02 sensor doesn't last very long cause it doesn't play well with leaded race fuel.
Jerry Williams.
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