LC-1 Wideband install 5.3l

[ippielb]

So i have just gotten two(2) LC-1 Wideband Sensors as i have true dual exhaust. And i was just curious how one should install these sensors. My truck has 4 o2 sensors stock, one before each Catalytic Converter, and one After each catalytic converter. I have removed my catalytic converters because they were plugged solid, and have disabled my rear o2 sensors. I was wondering where i should go along and installing the LC-1 sensors. Should i put them in the front two holes, or the rear two. I can also get them installed elsewhere if it will give me better results.

In this diagram, http://download.efilive.com/Tutorial...20Tutorial.pdf , it shows that you attach the narrow band sensor to the outside of the exhaust pipe. Why would you want to do that? Wouldn't it be smart to leave it in the pipe and get new bungs for the new wide band sensors?