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Oxygen sensor
https://www.slantsix.org/forum/viewtopic.php?t=7429
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Author:  sixty4dartgt [ Mon Nov 03, 2003 8:38 pm ]
Post subject:  Oxygen sensor

I have a new Offy intake. It has a threaded hole (3/8) right below the carb and opposite the center bolt (above the heat riser). Is this for an oxygen sensor ? I just put a bolt in it to plug it up.

Author:  Pierre [ Mon Nov 03, 2003 8:42 pm ]
Post subject: 

Oxygen sensors go in the exhaust stream, not the intake. Air temp sensors commonly go in the intake. You can install a hose barb in the hole if you need it for vacuum, otherwise just cap it and all is well.

Author:  Bruce Johnson [ Mon Nov 03, 2003 9:04 pm ]
Post subject: 

O2 sensors read levels of unburned O2 which by nessesity would place them in an area after combustion, I belive a header collector would be a better choice for a O2 sensor. The threads on the intake are a National Pipe Thread (NPT) hex key plugs are availible at your hardware store. The 4b Offys a 8) manifold should be fun Bruce Johnson

Author:  sixty4dartgt [ Mon Nov 03, 2003 10:12 pm ]
Post subject: 

I think it may be for a water jacket ??? Anyway, I'm not using it. I fired it up today, open headers :shock:
I can't wait to get the mufflers on and the linkage finished !
BTW, Offy includes a set up for the carb linkage if you have a rod set up.

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