Originally Posted by red_one Now, let us compare with Zic X9 5W-40. For sure, the 1L bottle has the same oil as the 4L bottle. Front label: "FULLY SYNTHETIC". Back label: "FULLY SYNTHETIC" Product description: "FULLY SYNTHETIC MOTOR OIL" Now, this one is really "100% FULLY SYNTHETIC". Sent from my D5833 using Tapatalk May stock ba nito si Rome at Liempo? Sent from my SM-N920S using Tsikot Forums mobile app