

The acceptable SAE Oil Viscosity for the 7.3L PSD depends on operating temperatures. Motorcraft Super Duty Diesel Motor oil is the recommended brand by Ford. In an engine such as the 7.3L PSD which utilizes an oil driven HEUI injection system quality oil is even more important for the proper function of the engine. Using the correct oil for your engine and changing it as required is critical for durability and longevity of the engine.
DRIVEN OIL VISCOSITY CHART DOWNLOAD
In the future, the demand for synthetic base oils will increaseįor more explanation about these lubricant terms, download our whitepaper with 51 lubricant related terms.Oil is the life blood of any engine and choosing the right oil is important for proper lubrication to minimize friction and wear, provide cooling to internal engine components, and to help clean and carry away contaminants to be removed by the oil filter.There a number of important characteristics to consider when deciding on base oils, like viscosity and oxidation stability.There are 2 types of base oils: Mineral and synthetic base oils.Base oils can be refined from crude oil or generated by chemical processes.Use our online recommendation tool to find out which oil fits your vehicle needs. What matters most is to know about the differences in oil and to make sure you use the right lubricant for your specific vehicle. However, some vehicles still work perfectly with mineral base oils. Increased drain interval to the finished lubricant.More resistant to temperature fluctuations and oxidation processes.This counts also for mineral base oils that went through a chemical refinery process (hydrocracking), like synthetic Group III base oils. In the past, you could use mineral base oils for basically every type of engine, but the newest engine designs no longer support this type of oil.Īt Wolf, we mostly work with synthetic base oils as they show a significantly better performance on all characteristics. Technical evolutions of the past decade brought engine designs that require more sophisticated oil formulations. There is a general trend, mostly driven by environmental norms and specifications, towards better quality synthetic base oils. Because of the consistent size and shape of the molecules and the adherence between them, there will be less friction between the metal surfaces and a significant overall better performance. Synthetic base oils are generated by certain chemical processes that make them perform better thanks to their consistent molecular structure and purity. *Hydrocracking mineral base oils means cracking heavy, high-sulfur molecules of the oils into better quality, low-sulfur molecules under high temperature and pressure. Synthetic base oils, group III, which are mineral base oils refined through hydrocracking*, and group IV and V, which are oils purely generated by synthetic or chemical processes.Mineral base oils, group I and II, are base oils refined from crude oil.The second distillation process takes place in a vacuum setting, enabling to obtain distillates with high boiling points on lower temperatures with, eventually, base oils as the end-product.īase oils can be segmented into 2 main groups, according to the used treatments: gases), but only base oils go through a second distillation. As liquid is heavier in weight, it stays more down the bottom of the tower while the vapours rise more to the top.Ī few fractions can be refined from heated crude oil and are even ready for use (e.g. The heat accelerates the diffusion of crude oil into a separation of liquids and vapours in the distillation tower. At atmospheric distillation, crude oil is heated up to a temperature of about 400☌. This will be discussed in the next chapter.ĭistillation is the process of physically separating substances, like liquids and vapours, accelerated by high temperatures. Eventually we have base oils that are ready for the process of blending with additives. Viscosity, volatility and oxidation stability are a few examples of key base oil features. After the second distillation, base oils go through a thorough analysis to make sure they have the right test results on important characteristics. To start, crude oil goes through two distillation processes: Atmospheric and vacuum distillation.
