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			#1  
			
			
			
			
			
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|  Do you know Nistune? 
			
			I found this link, i share it: http://home.aanet.com.au/nistune/
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			#2  
			
			
			
			
			
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			That will only work with a S12 Gazelle useing a CA18DET not a CA18ET by the looks of it.
		 
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			#3  
			
			
			
			
			
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			I can't see why it wont work, the ET ecu just has a load less features rather than being majorly different from the det one
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