Not sure if this has been mentioned, but I've read you don't want to install a wideband upside down.  Baically, no lower than a 3 o'clock or 9 o'clock position.  It sounds like this sensor doesn't heat itself so I'd say you'd want it between 6" and 18" from the turbo in the DP.
		 
		
		
		
		
		
		
			
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				Slow and low, that is the tempo.
			 
		
		
		
		
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