Placement of heated O2 sensor

[FJB203 at aol.com]

In a message dated 97-03-16 10:02:22 EST, you write:

> A quick and simple question.  For a twin system, is it OK to fit a heated
O2
>  sensor in the balance tube of the exhaust system ?  Or will the exhaust
>  gasses in this place not be a true indication of what is coming out (does
>  the air stand still in this tube) ?

The very little I've seen as far as vehicles always have them in one of the
headers, rather than in the crossflow tube.  I've also noticed they are on
the topside.  At least from the vehicles I've seen in junkyards.  Doesn't
make it right though....

Fred