Well, got my first UOA back from Blackstone. Considering their comments on viscosity and fuel, and copper... I'm definitely going to be continuing with the 5k intervals and keep a close eye on it. This was the 2nd oil change. First one was done shy of 5k, (4,700 IIRC) and the dealer put 5w/40 Full Synthetic in. This sample was the 2nd oil change at 9,950k miles, 5w/40 again. Guess time will tell, a this rate It'll probably be due in March.
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