Re: lambda oxygen sensor

["\"Mr. Mike\" Passaretti" <passaretti@sol.med.ge.com>]

>>>>> "Egil" == Egil Kvaleberg <egil@kvaleberg.no> writes:

    Egil> Haven't tried that. You should try to find an area
    Egil> of sufficient thickness, then drill and tap
    Egil> M18x1.5. Problem is that the area really needs to be
    Egil> flat to get a gas tight seal. So it is probably
    Egil> easier and better to weld a suitable nut to the
    Egil> exhaust pipe, close to the manifold.

How do folks with multi-unit headers or manifolds do this?  Do
you put the sensor past the mix point (6->3->1 or 4->2->1) or
use multiple sensors somehow?  Or do people with headers and
other performance tweaks pretty much not play with this stuff?

                                        Curiously,
                                                        -MM