Darkening color and changes in viscosity How does 0W-40 oil contribute to the longevity of seals and gaskets in the engine?

Nov 10, 2014 ... I have used the 0W40 and had zero tick/noise. Now I use 5W40 Motul X-cess and oil ... 0W-40 was used, and was cured with a different viscosity. Our fully synthetic 0W-40 is a multi-grade gasoline oil engineered with the finest quality of synthetic base oils, an advanced performance additive package. Mar 7, 2020 ... If you are using the regular Mobil 1 synthetic motor oil, it uses a hydrocracked Group III base stock. PAO or Ester based synthetic oils (Group ... "Glad I can use Valvoline in my VW GTI. I have used Valvoline in all my cars for over 40 years.....and have NEVER had any of them burn oil. I'm ... Apr 16, 2024 ... Equivalent full synthetic SAE 0W-40 engine oil can be used but must have the API Donut trademark. With this information, it certainly will ... i like mobile 0w-40. Previous owner told me he was burning 1 qt every 1k mile using whatever BMW told him. Upon taking delivery of car i did full oil change ... Jul 20, 2023 ... I'm about to hit 1500km on my new 86 and wondering what oil to use, there seems to be so much conflicting information out there. Dec 25, 2023 ... I've encountered conflicting information and want to ensure clarity. Although I don't drive my car frequently, a year has passed since I ... MASTER RACING 0W-40 Máster Fully Synthetic Synthetic lubricant oil specifically designed to cover the needs of high performance engines. Aug 21, 2020 ... The manual says to use a synthetic 0W-40 meeting API SN. It also says it recommends an oil meeting MS-12633. That sounds like two separate statements.