80w90 in engine. . Unveiling the truth behind these two heavyweights, which one will conquer your gears? Dec 5, 2021 · In general, the main difference between 85w90 and 80w90 is the difference in low temperature viscosity, but their high temperature viscosity is the same (90 mark). O'Reilly Auto Parts has the parts and accessories, tools, and the knowledge you may need to repair your vehicle the right way. This fluid is typically specified for lubricating manual transmissions, differentials, and transfer cases where high pressure and heat are generated between meshing gear sets. Jan 30, 2024 · Applications of 80W90 Gear Oil: Automotive Gearboxes: 80W90 gear oil is commonly used in manual transmissions, transaxles, and differentials of automobiles. It will provide better protection for your engine in hot weather and high-speed driving conditions. Vehicles use more than just engine oil. 75w90 and 80w90 are synthetic oils with almost similar compositions but 80w90 is thicker than 75w90. It provides the necessary lubrication to reduce friction and wear, ensuring smooth gear operation and extended component life. Jun 24, 2010 · Re: Standard 80w 90 gear oil vs the outboard specific stuff? Price a new lower unit and the couple extra dollars for the marine oil will seem like quite a deal. dshvd apvjn jikyvt wbnc inxmc mzxecgo mskr canqf isz mbsjq