O2 sensor and full tube headers

[xxalexx at ix.netcom.com]

Find a key on voltage, get 5 amp fuse, connect one white wire to this 
the other to ground.  Blk. usally O2 volts? if 4 wire Gry. is 02 grd. 
Verify heater continuity with ohm meter.  You can get for about $35
at GM dealer.  
alex  
> 	I am wondering if someone on the list could help suggest any
> problems there might be with what I would like to do...
> 
> I am looking to put a set of full length headers on an 89 TBI 350 in my
> full size Blazer.  I am wondering if I can retain the single wire O2
> sensor and just weld a bung into my collectors. I have heard suggestions
> as to replacing it with a heated O2 sensor- ho wwould one go about doing
> that?
> 
> Being new to the list I apreciate all your help- this mailing list seems
> to be right on task with the information I am seeking.
>