Adding another O2 sensor

[timsiford at hushmail.com]

Car = 1990 IROC-Z
>From the factory these cars have one O2 in the driver's side exhaust manifold.

Since I will be installing Hooker long tubes I have been contemplating the 
installation of an O2 sensor in the passenger side header as well as the 
driver's side header.  Then, I was thinking of running a SPDT toggle switch 
so that I could switch between the O2s to determine how one side of the 
engine is running as compared to the other side.  

Just figured I would throw this out into the air since the list is pretty 
dead today.  Besides the obvious con of the extra expense ... can anyone 
think of a reason not to do this (besides the whole geek factor)?  Would 
the fact that O2s are not accurate be enough of a reason for not doing this? 
 If so, then why is it that later F-bodies run an O2 sensor for each side 
of the engine (one for each bank of injectors).

Heh heh - wouldn't it be cool if WB O2s were cheap and we could install 
a WB O2 into EACH primary tube of the header and then tune each cylinder 
for maximum power through sequential fuel injector tuning?  That would be 
really cool.  Yea - I know I am just wishing ... sometimes its cool to wish.

Tim