Pasquale Posted August 8, 2014 Share Posted August 8, 2014 Hey guys I was wondering what your recommendation would be for welding in a bung for a wideband on a stock 240z exhuast (71 series 1 if it makes a difference). I recently rebuilt and installed a set of Mikuni triples so to help with tuning I'm in need of a wideband which is something I've never used before. I've been researching on the net about placement and I can't seem to find a definitive answer I know it's recommended that the sensor be placed at least 18 inches from the head so I don't overheat my sensor but considering I'm still running the stock manifold and dual down piping do you think if I welded the bung into one of the dual down pipes that it would give me an inaccurate reading even though the down piping is collected at both sides. Any advice would be greatly appreciated! Quote Link to comment Share on other sites More sharing options...
Tony D Posted August 8, 2014 Share Posted August 8, 2014 Merge at the bottom of the pipe where it comes together. I put mine in the header collector. Quote Link to comment Share on other sites More sharing options...
Pasquale Posted August 8, 2014 Author Share Posted August 8, 2014 Ok great! I was worried that might be to far away. Quote Link to comment Share on other sites More sharing options...
Tony D Posted August 8, 2014 Share Posted August 8, 2014 You can physically stick it in the tailpipe with a bracket and it will work. If it's self-heated (all WBO2's that I know of are now) then it will work virtually anywhere in the exhaust system. Quote Link to comment Share on other sites More sharing options...
zacward Posted December 27, 2014 Share Posted December 27, 2014 Dont forget to use the correct angle for the bung ( keeps the moisture from building up on the wideband sensor). I used the aem uego wideband, replacement Bosch O2 sensors can be had as little as $18! Quote Link to comment Share on other sites More sharing options...
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