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O2 sensor questions

Posted: April 28th, 2008, 1:33 am
by JoshVK
Ok so i swaped my car this week.
Problem is stock the car has 4 o2 sensors 2 precats and 2 after.. and well i dont have those precats anymore becuase im using the manifold that came with the KLZE... and thus only have 2 O2 bungs.
do i just use the 2 precat O2s? and forget others?