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Re: O/2 sensor location,where is the sweet spot???????
[Re: hemi-itis]
#2024794
03/05/16 01:10 AM
03/05/16 01:10 AM
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Joined: Jan 2003
Posts: 4,244 Canada
Kam*Kuda
master
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master
Joined: Jan 2003
Posts: 4,244
Canada
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This is great Info I am having the same problem woth my fast xfi system and mostly at idle.
Subscribe
1970 Barracuda Convertible 1968 Satellite Street Strip car 1654.5 Mustang 1955 Land Rover
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Re: O/2 sensor location,where is the sweet spot???????
[Re: Kam*Kuda]
#2024813
03/05/16 01:53 AM
03/05/16 01:53 AM
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Joined: May 2003
Posts: 6,621 Downtown Roebuck Ont
Twostick
Still wishing...
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Still wishing...
Joined: May 2003
Posts: 6,621
Downtown Roebuck Ont
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This is great Info I am having the same problem woth my fast xfi system and mostly at idle.
Subscribe You shouldn't put too much stock in AFR readings at idle, especially with a lumpy cam. You set it so the engine is happy and the AFR is what it is. With a cam with a lot of overlap you get a lot of random misfires or half fires at idle and all the oxygen that doesn't get used parades past the O2 sensor and you get a lean reading when in fact it could be/likely is pig rich. Kevin
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Re: O/2 sensor location,where is the sweet spot???????
[Re: hemi-itis]
#2048916
04/07/16 04:06 PM
04/07/16 04:06 PM
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Joined: Feb 2003
Posts: 1,942 Metro Detroit
OUTLAWD
top fuel
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top fuel
Joined: Feb 2003
Posts: 1,942
Metro Detroit
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Somewhat related. Anyone using WRO2 in conjunction with crankcase evac?
How close can the evac lines get to the sensor before it may effect readings?
Faster, Faster until the thrill of speed overcomes the fear of death...
71 Swinger - slowly collecting dust/parts 66 Belv. II - just a streetcar 88 Mustang - turbo LS beater
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Re: O/2 sensor location,where is the sweet spot???????
[Re: hemi-itis]
#2049061
04/07/16 06:30 PM
04/07/16 06:30 PM
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Joined: Nov 2011
Posts: 2,154 Its a TRAP!
DARTH V8Я
Oh No!! I just had a moron attack!
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Oh No!! I just had a moron attack!
Joined: Nov 2011
Posts: 2,154
Its a TRAP!
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on a straight pipe 9/3, never on the inside of a curve section..
When it takes more than a sweet mullet to prove you rule at the trailer park..
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Re: O/2 sensor location,where is the sweet spot???????
[Re: OUTLAWD]
#2049073
04/07/16 06:39 PM
04/07/16 06:39 PM
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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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Somewhat related. Anyone using WRO2 in conjunction with crankcase evac?
How close can the evac lines get to the sensor before it may effect readings? A couple of inches is plenty as long as the O2 is up stream.. I have been a little closer without any issue.. big overlap cams pulse a lot at idle
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Re: O/2 sensor location,where is the sweet spot???????
[Re: hemi-itis]
#2049506
04/08/16 09:39 AM
04/08/16 09:39 AM
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Joined: Feb 2003
Posts: 1,942 Metro Detroit
OUTLAWD
top fuel
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top fuel
Joined: Feb 2003
Posts: 1,942
Metro Detroit
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It's downstream, but I was worried about pulses. I got it sorted last night. Getting close to firing the EFI up if it would stop snowing...
Faster, Faster until the thrill of speed overcomes the fear of death...
71 Swinger - slowly collecting dust/parts 66 Belv. II - just a streetcar 88 Mustang - turbo LS beater
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