Sludge, a byproduct of oil oxidation, can thicken and build up in the engine causing increased friction, lower fuel efficiency and excessive heat. Older engines are also susceptible to oil consumption and oil leaks. To combat the effects of aging engines, choose Valvoline MaxLife Full Synthetic 0W-20 High Mileage Motor Oil. Specifically engineered for vehicles with over 75,000 miles, MaxLife Full Synthetic provides 50% better wear protection, 20% better sludge defense, and 2.5X better heat protection than industry standards. Its full synthetic formula includes oil additives and premium seal conditioners to treat and prevent leaks, minimize oil consumption and improve fuel economy. Whether it’s a Dodge, Ford, Mazda, Jeep, Toyota or another make, including hybrid vehicles, Valvoline’s full synthetic formula provides advanced protection against the four major causes of engine breakdown: wear, friction, heat and deposits. For better performance and protection, upgrade from a conventional or synthetic blend oil to Valvoline MaxLife Full Synthetic High Mileage Motor Oil, proven to maximize engine life in vehicles with over 75,000 miles.