| Changing oil is something every person knows is important to have done. In general, the older the car, the more often the motor oil should be changed. However, what do the numbers and letters listed on that container of engine oil actually mean? With assistance from The Engine Oil Bible, Car Deal Expert helps you choose the right motor oil for car.Article Resource: The difference between synthetic and mineral motor oil by Cardealexpert.com The importance of oil changes Your car engine is lubricated with engine oil. Friction build up is prevented with lubrication. This also keeps heat from transferring from the combustion cycle because of parts grinding together. The combustion process gives off chemicals and oxidation. The oil helps keep this clean and minimized. Oil gets super thin and dirty during this. That is why there needs to be a regular replacement of the oil.What does the number and letter mean Consumer motor oil has 3 choices such as the standard, which is mineral oil, synthetic oil or part synthetic. 5W-30 motor oil is a semi-synthetic blend. The "cold" and "hot" viscosity rating of the oil are shown by the number before and after the W. The lower the cold number (W stands for "winter"), the easier it is for car's engine to turn over whenever you attempt to start the car in cold climates.Mineral oil is cheapest Your engine can be just fine if you pick standard motor oil. Numerous people do. It will even cost less than synthetic oil and semi-synthetic oil. The oil becomes thinner and dirtier faster. This means it has to be changed more frequently.Semi-synthetic comes from standard Semi-synthetic motor oil is closely related to standard mineral motor oil. Polyalpholifins make up a lot of semi-synthetic oil. That comes from the Engine Oil Bible. It is "the purest part of the mineral oil refraction process." Thus, semi-synthetic can be mixed with standard motor oil without causing the car's engine to seize.With a heavy gearbox, get synthetic Pure synthetic oils (aka polyalkyleneglycols) are most often used for industrial purposes in autos with heavily loaded gearboxes. Its high-performance stuff. Fully synthetic oil is very special. It can't be at all mixed. For consumers who wish to use pure synthetic oil in their engines, said engines should be newer and in fully working order – clean with no leaks. Pure synthetics tend to break off engine deposits and leave them floating in the engine. The Engine Oil Bible suggests that once you go synthetic, you do not go back to mineral unless you know what you are doing.Go with quality, lightweight oil Your environment will determine your engine oil. Make sure your engine oil is right. Light, thin oils do well in modern engines. A trusted mechanic can help you make this decision along with your owner's manual.Further reading Car Bibles carbibles.com/engineoil_bible.html A quick rundown of synthetic vs. regular motor oil youtube.com/watch?v=CiLkoRVL7BQ |