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					Originally Posted by  tommy583
					 
				 
				At the very least Mobil 1 0-40 or Castrol syntech 0-40. 
			
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I think you want the 10-40 if you're going with the Castrol.  Based on used oil analysis by a shop-owning member.  I'd use it but we only have the 5-40 available in Canada (go figure), so I use that.
There are as many opinions on oil as there are on replacement IMS bearings.