would the EGR threaded hole in the passenger side exhaust manifold be a good place to put the above sensor?? trying to avoid another job of welding a boss into my downpipe

To close to outlet .. at the least it needs to be 12 to14" away from the turbo outlet ... 24" would be better

EGR thread is M22x1.5, wideband lambda thread is M18x1.5. Also, it's best to place it at least 12" from the turbine housing.

Edited March 18, 201312 yr by Noz
Typo

Also in that location its only going to read half yh e engine, post cross over would be vest wouldnt it?

yeah thats true ... if u had an H pipe on the exhaust that would be another good location then u can use one sensor ..

but not sure on how it will work with that far from the engine

it will work fine there thats where mine is mark

Also in that location its only going to read half yh e engine, post cross over would be vest wouldnt it?

 

On mine, the best place to put a single sensor was the driver's side downpipe/decat, as this is the side that typically runs a bit leaner. You're still blind as to what the other side is doing though, so it does pay to check both sides now & again. With a sensor in the cross-over section, you're averaging two O2 readings, one slightly leaner than the other. It's the leaner one that is of interest. I think over in Australia they generally place a single sensor in the passenger-side as that is reported as being slightly leaner.

 

Ideal solution is twin sensors, so you can monitor both banks independently. Same with everything Zed-related, two lots of everything. That's how my set up is going to be with the new exhaust system (finally getting rid of the stock cats :eek: )

 

yeah thats true ... if u had an H pipe on the exhaust that would be another good location then u can use one sensor ..

but not sure on how it will work with that far from the engine

 

The O2 reading doesn't change no matter how far the sensor is from the engine. It's only when using a tailpipe sniffer with large backboxes or if the probe doesn't reach far enough into the exhaust that you get very lean readings (on the gauge, not in reality) at idle.

ok that was my thought but i didn't want to say in case i was way wrong .. just to say i run 2 Wide band sensors L/R at the bottom of the down pipe about 12" away from turbo its self

Thanks lads...good info there:thumbup1: