WB sensor placement

[Steve 00RT/10]

Originally Posted by Purdue_Boiler_Viper

Steve,

So you welded a bung into the Belanger turnout for the WB. Did you do a second bung for the stock O2 sensor? Where (clock position) did you place the bung(s) on the turnout?

Thanks,
Pat

Yes, right in the middle (3 O'clock) of the pipe at the turnout area....driver's side My Belangers came with an O2 bung on the top of the pipe -- in this same area. That is basically the factory location. I installed the factory O2 back in this location. I did not have to extend the O2 pigtail to plug into the car harness.......just rerouted.

Steve

[ViperTony]

This is taken from underneath the passenger side footwell area. The bung was welded at the 8 o'clock position (should've been 9 o'clock). I chose this location because it seemed to catch flow from both sides of the Y-pipe. The heat shield would be directly above this pipe but I removed it as I'm working on the car right now. The 02 tucks in nicely in this location and doesn't protrude out from under the car. I had to extend the OEM O2 wiring but the DC Performance sensors had the correct length. So far no issues. You can always give Tator a call on the best location, he's welded in a few of these on the Belanger's and was a wealth of information to me about why/when to relocate the O2 bungs on Belanger headers.

[DAMN YANKEE]

Your rocking now....please do join VCA, seems that you are the kind of guy that asks good questions and looks forward to disciplined answers.....

[Purdue_Boiler_Viper]

Originally Posted by ViperTony

This is taken from underneath the passenger side footwell area. The bung was welded at the 8 o'clock position (should've been 9 o'clock). I chose this location because it seemed to catch flow from both sides of the Y-pipe. The heat shield would be directly above this pipe but I removed it as I'm working on the car right now. The 02 tucks in nicely in this location and doesn't protrude out from under the car. I had to extend the OEM O2 wiring but the DC Performance sensors had the correct length. So far no issues. You can always give Tator a call on the best location, he's welded in a few of these on the Belanger's and was a wealth of information to me about why/when to relocate the O2 bungs on Belanger headers.

I was thinking of installing my bung further back. I don't know if I have the terminology correct, but I believe you have installed the bung in the collector. I was thinking of installing in the bolted on piece which I have heard called the turn out. Anyone see a problem with that?

[ViperTony]

Yes, I installed the O2 bung in the collector not the turnout. Since my Belanger headers didn't come with the second O2 bung welded in, I tried to keep it close to the collector area I could. I could've squeezed it into the turnout pipe just beyond the flange in the pic I posted earlier. It would've been a tight fit though. It could've also been placed in the turnout pipe in the sill area. I don't know if there'd be an issue locating it there. Best bet is to call Tator on that one.

Here's a pic of the Belanger Headers with the second O2 bung welded in on top of the collector but only catching 3 tubes. I think you can actually ask Lou to weld the bung wherever you want before you order:


Here's a pic of my cat connected to the turnout pipe. I used band clamps but I'm throwing them out on Monday and welding the joints instead. I have leaks at these connections and the band clamps can't squeeze down enough to seal the RT cat inlet over the turnout pipe. I've already messed with sealing/resealing this area several times and I'm done with clamps.

[Purdue_Boiler_Viper]

Good stuff Tony. I've got RT cats as well, so I'll be welding them. I'm sure you've saved me a lot of grief.

Thanks,
Pat

[ViperTony]

I want to be clear about what I did...I mounted the O2 sensors (not a Wideband Sensor) in the collector area because I needed to read all 5 cylinders as opposed to one cylinder with the standard Belanger O2 bung location.

I do have one wideband sensor installed on the driver's side (per Damn Yankee's Detailed WBO How To). That wideband sensor is located in the turnout at the 10 o'clock position as seen in this pic of my sidesill:


One last thing, if you haven't already done so, give Lou Belanger a call. Go to the source. He loves talking about his headers and exhaust but plan on spending an hour with him. It's well worth the time.

[SYNFULL]

I don't have cats so can the wideband sensors go where the rear 02's were? I am using 02 simms so the rears aren't being used.
Thanks
Gary