Originally Posted by
AiToR51
If you are using now a wideband lambda it usually has a narrow band lambda output (0-1V).. In that case you don't have to install a new lambda..
I'm using an MSD chip with this setup and is working very well
This is correct. Most afr gauges have this innovate being one of them.
I do run 2 lambda sensors 1.wide and one narrow for closed loop. 1 about 4 in away from exhaust flange and other 2in behind that.