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					Originally Posted by  Flavor 987S
					 
				 
				Slightly more zinc (about a 100 ppm at the end of the drain interval). 
Slightly more phosphorus (about a 100 ppm at the end of the drain interval). 
Much better SUS Viscosity at 210 degrees (less shearing of the oil). 
			
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I understand the need for Zinc and Phosphorus. Which begs the question "What do you think of the ZDDP additives?"