Actually I meant to write in theory after being in WOT for 13-15 seconds EEC would turn on EGR to try to clean up emmisions going out the tailpipe.  In turn creating a lean condition.  This theory came from my Ford instructor in school.  I have never proved to myself right or wrong if my theory holds any water.  Thanks for the info Tmoss. 
		
	
		
		
		
		
		
		
			
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				93 GT 306 DSS, O-Ringed, AFR 185's, Pro Products Intakes, 55lb low imp inj, 80mm Pro-M meter, 2004 PMS, AFM Power Pipe, Kirban Reg, Vortech S-Trim 14lbs. No times yet. Trying to tune.
			 
		
		
		
		
		
		
	
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