I drank the Kool aid, bought Costco Kirkland 5W30 10 quarts for $24.00 bucks. Had great ratings API Syn Plus, Dexos. Not as smooth ( Rev's and Idle)as Mobil 1 EP... In my VQ40DE in my 2nd Gen.. Anyone else use this stuff? Maybe I should dump it lol. Who knows maybe it's all in my head..