On my newly installed twin exhaust I fitted 1 O2 sensor on each pipe right past
the header junction, placing the bungs at the right angle so as not to
interfere with anything is critical. They are connected to a single Norskog O2
gauge that has an analog face with about 90 degrees sweep of the pointer. It's
a black faced gauge with white main markings and yellow secondary markings and
a red pointer. I located it next to a similar looking vacuum/boost gauge from
Autometer where the radio was originally. It's connected to a toggle switch
that allows me to check front 3 or rear 3 cylinders on my supercharged motor. I
got all the music I need! I can email pix if interested.
Sal Vespertino
www.triumphowners.com/381
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