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Where Should The Bung Go?

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Old Dec 29, 2007 | 11:49 AM
  #1  
426 Wedge's Avatar
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From: South Jersey
Car: 86 WS6 TransAm
Engine: LG4 4BBL
Transmission: T5WC
Axle/Gears: 327
Where Should The Bung Go?

I'm almost ready to order my short headers and Y. The last question I have before I do is where is the right place for the 02 sensor bung? On the shorty collector or on the Y pipe collector under the car just before the cat? Pipes are coated.
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Old Dec 29, 2007 | 03:11 PM
  #2  
Air_Adam's Avatar
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Joined: Oct 2002
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From: Saskatoon, SK, Canada
Car: '83 Z28, '07 Charger SRT8
Engine: 454ci, 6.1 Hemi
Transmission: TH350, A5
Axle/Gears: 2.73 posi, 3.06 posi
Re: Where Should The Bung Go?

You want the O2 sensor to get as hot as possible - the hotter it gets, the more accurately it will work. Get it as close to the exhaust ports as you can. On a set of short tube headers, put it near the top of the collector, preferably in a spot BETWEEN two header tubes, not just in the stream of on tube.
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Old Jan 5, 2008 | 09:04 PM
  #3  
sradams21's Avatar
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From: Houston, Texas
Car: 1991 firebird
Engine: 305
Transmission: T5
Axle/Gears: 10-bolt 3.08
Re: Where Should The Bung Go?

put the O2 bung right after the four primaries merge in the collector.
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Old Jan 19, 2008 | 03:51 PM
  #4  
stage20's Avatar
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From: p'cola FL
Car: 88 iroc-z/28
Engine: 408 lsx
Transmission: 5800 stall
Axle/Gears: 4.71
Re: Where Should The Bung Go?

bolt the header on the car before you mark where the hole is to be drilled.
chances are it will be in the wrong spot if not.
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