header technical help

neilan · 02-11-2007, 09:29 PM

well i am about to order a thorley header and everythign to do my exhuast from summit racing.

One header has a 02 bung on the number 3 tube. I know this is not optimal as it doesnt take the average of all cylinders.

Am i better of buying the one without the sensor bung and welding in a bung in my exuast right after the flange?

I am thinking option 2 is better but i dont think my current 02 sensor wire will reach. If i remember correctly LCE had a extension wire but i cant seem to find it on there website anyone know about this or if the wire will actually reach to the end of a thorley header?

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Elton · 02-11-2007, 09:32 PM

hmm thats odd i thought the o2 sensor was spoused to be atleast 4'' from the cat

neilan · 02-11-2007, 09:34 PM

nope on early 22re's there is only one. it is right in the middle of the exhaust manifold.

Elton · 02-11-2007, 09:39 PM

i thought you had a 3.0L my bad ... time for a sig

neilan · 02-11-2007, 09:39 PM

oh hmm my bad for some reason my signature decided to disapeer? That weird but ya a have 22re 87 4runner

Elton · 02-11-2007, 09:42 PM

i say option 2

neilan · 02-11-2007, 09:53 PM

ya thats what i am leaning towards. Now if soemoen will chime in with a 02 sensor bung after the collector and tell me if there 02 reached or they had to buy a extension i will be good to go

Just Learning · 02-11-2007, 10:11 PM

option two

02-11-2007, 09:32 PM	#2 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,644	hmm thats odd i thought the o2 sensor was spoused to be atleast 4'' from the cat __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

02-11-2007, 09:39 PM	#4 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,644	i thought you had a 3.0L my bad ... time for a sig __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

02-11-2007, 09:42 PM	#6 (permalink)
Elton Contributing Member Join Date: Jul 2005 Location: Siletz,Oregon Posts: 10,644	i say option 2 __________________ My Truck 98 4runner SR5 3.4L 5spd 4x4 E-Locker Mods Mom 07 Tundra d-cab limited 5.7L 4x4 auto sister 92 pickup SR5 X-cab 3.0L 5spd 4x4 Papa 89 Pickup SR5 X-cab 4x4 3.0L 5spd/98 4runner SR5 4x4 auto 3.4L R.I.P 91 4runner SR5 4x4 3.0L 5spd Totaled 5/13/06 My Wreck

02-11-2007, 10:11 PM	#8 (permalink)
Just Learning Registered User Join Date: Oct 2006 Location: Evans Colorado Posts: 682	header situation option two

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02-11-2007, 09:34 PM	#3 (permalink)
neilan Registered User Join Date: Jun 2006 Location: Corvallis Oregon OSU Posts: 465	nope on early 22re's there is only one. it is right in the middle of the exhaust manifold.

02-11-2007, 09:39 PM	#5 (permalink)
neilan Registered User Join Date: Jun 2006 Location: Corvallis Oregon OSU Posts: 465	oh hmm my bad for some reason my signature decided to disapeer? That weird but ya a have 22re 87 4runner

02-11-2007, 09:53 PM	#7 (permalink)
neilan Registered User Join Date: Jun 2006 Location: Corvallis Oregon OSU Posts: 465	ya thats what i am leaning towards. Now if soemoen will chime in with a 02 sensor bung after the collector and tell me if there 02 reached or they had to buy a extension i will be good to go

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