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			Wow I am going to ask Porsche about this one.  Why on earth are service shops and the dealer keep putting in 0W????  I would think this would be way too low on the viscosity index for anybody but a winter driver.  I am a bit freaked out as I have always used 0W..  
 
I will get a manual for myself! 
 
Thanks...
		 
		
		
		
		
		
		
		
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