Re: UOA - Pennzoil Platinum 5W-30 (SN formulation)
Your TBN looks great for +/- 10,000 miles. I have used the PP too but @ 6,000 miles the oil was just about worn out. Did you have to add oil during the OCI? Any oil consumption or oil in the intake pipe?
2009 Acadia SLT-1 built 07/31/08, DLT, FWD, Summit White, titanium, 7 seater, leather, heated; purchased 06/09 no HUD, no HID, no factory Nav, no S.Roof. 18" wheels, Bose system. Pennsoil Platinum & PF63. Trans flash, water pump, seat rails & steering gear replaced, PS flush & refill with DEX VI.