February 13, 2020 Show
When you're getting the oil changed on your car, how much thought do you put into the oil that goes inside? Chances are, you just order whatever the technicians recommend. We think there's a better way at Hanson Subaru. We'll explain the differences between the types of oils you'll find at our service center, so you can make an informed decision that's right for you, your vehicle, and your budget! Here's what you need to know about the differences between conventional and synthetic motor oil.  6. Synthetic Oil Has Fewer ImpuritiesWhile conventional oil is well suited to protecting your engine, it does contain some impurities. Conventional oil is made from crude oil that's been refined until it has the right properties for lubricating your engine. However, since it's made from a natural process, there's some natural inconsistency in the structure of conventional oil at the molecular level. These impurities can increase friction and cause the oil to break down faster. By contrast, synthetic oil is made from an entirely man-made oil with a more uniform molecular structure. As a result, synthetic oil will last longer and perform better at extreme temperatures. In fact, Subaru recommends synthetic oil be used in all its 2020 model vehicles. 5. Synthetic Oil Is Slower To Form SludgeThere's more than just refined crude oil in conventional motor oil. Today's engine oils also have a variety of detergents, viscosity modifiers and other additives that help them perform better under a wide variety of conditions and keep your engine clean. Over time, these additives will break down. As motor oil breaks down, it starts to form sludge -- a thick byproduct of engine oil that can gum up the works inside your engine, causing it to perform poorly. Full synthetic motor oils are slower to form sludge. That means it lasts longer! 4. Synthetic Oil Allows You To Go Longer Between Oil Change ServicesSince synthetic oil has fewer impurities and more durable properties, it'll last longer before it needs to be replaced. While most engines running on conventional oil need an oil change every 3,000 miles or so, synthetic oil can often go much, much longer before it needs to be changed. Subaru says that you should change the oil and oil filter on your 2020 Subaru model every 6,000 miles. 3. Synthetic Oil Costs More, But Not In The Long RunBecause it lasts longer and protects your engine better, synthetic oil will cost you a bit more -- whether you're picking up a few quarts of oil from the auto parts store or having the oil changed by a technician at a service center. However, since it lasts so much longer and does a better job of keeping your engine protected from friction and damage, we think it's worth the money. Even though you'll spend a bit more up front for the more expensive synthetic oil, you'll be getting fewer oil changes and need fewer repairs to expensive engine components down the road. That means synthetic oil saves you money over the long haul. 2. Synthetic Blends Offer A Balance Between Full Synthetic And ConventionalLet's say you've got an older Subaru model that's been running on conventional oil. As the engine exceeds 100,000 miles, most manufacturers and mechanics will recommend switching to high-mileage oil. Synthetic high-mileage oils will outperform conventional ones. If you'd like the increased protection for your aging engine without spending too much extra, ask about synthetic blends. A mix of crude-based oils and synthetic oils, they can provide superior protection without the increased cost of a full synthetic. “Why should I pay more for synthetic oil?” The confusion over synthetic oil vs. conventional oil is understandable. The mechanic has looked over your car. Then, he said something about engine sludge, oil filters, and asks when you last changed your oil. Even though you may not know the exact date, you remember seeing low prices on plastic banners. Now, the world of oil changes feels like snake oil sales. Synthetic oil? It’s not an oil alternative.
It’s a man-made oil. Ecologically, it produces fewer emissions. It is more expensive at six to ten times the price. But, it is also a better oil. So, why choose synthetic over conventional oil? What is Synthetic Oil?Synthetic oil is nonetheless oil, though it is somewhat man-made. Synthetic oil is made from a base oil, powder additives, and a carrier oil that enforces an even distribution of the additives. Both synthetic oil and traditional motor oil are made from refining oil. Most synthetics begin with highly refined crude oil, pumped from deep underground. That is the same source as conventional oil. Other synthetic oils use artificially made compounds or a synthetic oil as a base oil. The primary difference between synthetic oil and traditional oil is at the level of refinement. The base oil falls into one of several “oil grades” from mineral oils extracted from crude (Group I and II) to fully artificial, compound-based oils (Group V). All grades of oil are manufactured with additives that increase performance. Refinement processes and ingredients also result in scientific control over molecular size and purity. That can lower friction, reduce engine sludge, and increase performance. Synthetic oil technological advantages include:
Synthetic oil was first developed in 1929. With technology and access to resources, it has refined to accommodate jets, high-performance vehicles, and everyday consumer vehicles. When Allied Forces imposed oil shortages on Germany during The Second World War, for example, Nazi Germany pushed for man-made oil to fuel their military. During the 1970s American Energy Crisis, there was an enormous effort to improve fuel economy by creating better synthetic oils. The need for synthetic oils also comes from technological changes. High-performance vehicles and machinery—from jets that break the sound barrier to industrial plants—have to operate in extreme conditions and temperatures. Highly refined engine oil allows better temperature resistance. Full synthetic oil is the purest type of synthetic oil. However, there is no global standard that grades synthetic oils. Each manufacturer has its own secret ingredients and processes. Thus, the term “full synthetic” is just a marketing term. For the most part, the kind of synthetic oil found in the United States for your household vehicles is likely in the synthetic oils that use a Group III base. That means that the full synthetic you get from your auto store is not really full synthetic. Group III is a highly refined mineral oil made. The mineral oil is refined beyond simple extraction through a process called hydrocracking.
Full Synthetic vs. Synthetic BlendFull synthetic oils are better understood as a grade of motor oil. Semi-refined--also called synthetic blend--oils are less refined than full synthetic oil. Semi-synthetic oil blends traditional oil with the more technologically advanced oils. You get the advantage of additives and more refinement. But, the impurities and inconsistent molecular size of conventional motor oil are still in the blend at lower degrees. The benefit of synthetic blends is largely a cost-vs-benefit decision. Synthetic blends are cheaper than full synthetic motor oil but higher performance than conventional oil. Synthetic Oil Change IntervalBecause synthetic oil is better on your engine and has fewer impurities, it can go longer than conventional oils or synthetic blends. Schedule regular intervals. For conventional oil, twice a year is suggested as a safe way of keeping track. If you want to keep better track, every 7,500 miles is suggested for average cars. You should also change your oil filter every oil change. But, especially if using synthetic oil, every other oil change is sufficient if you don't regularly push your car hard or endure extreme conditions. Check your owner's manual. Newer cars may be able to go 10,000 miles or only need an oil change once a year. Turbo engines and older cars may still require oil changes every 3,000 to 5,000 miles. Synthetic oil change intervals range 10,000-15,000 miles or once a year (whatever comes first). Extended performance synthetic motor oil is on the upper top of that range. That extra 5,000 miles may be worth the investment. Synthetic Oil vs. Conventional OilVisually, you cannot tell the difference between new synthetic and conventional oil. There are two major differences, however. First, how they are made is a distinction. We've explained that synthetic oil is far more refined than conventional oil. Second, the way they run in your car is worlds apart. Used motor oil shows a lot thicker and sludgy in conventional oil vs. synthetic oil, given the same amount of wear. Synthetic oil is by far better for performance. It protects the engine due to lower levels of friction. Additives help clean the engine of deposits. And, fewer impurities mean it burns cleaner, thickens far more slowly, and has fewer deposits to start. "According to industry tests, synthetic oil engines perform 47% better than engines using conventional motor oil." - AAA
The benefits of synthetic oil vs conventional oil:
Synthetic oil is generally considered the best oil. It is designed for performance. However, that same manufacturing process makes it more expensive. The general belief in what type of oil is best is:
Notice that there is no “bad” motor oil. Check with the owner’s manual of your vehicle to see their suggestions. The real deal of synthetic oil vs. traditional oil:
How to Choose the Best Motor Oil for Your CarIf you can afford it, choose a full synthetic oil. It is the best oil for any engine. Synthetic oil cuts down the hassles or oversights related to more frequent oil changes and deposits. If synthetic oil is too expensive, go with a blend or rotate between a full synthetic and non-full synthetic every other oil change. Changing car oil will not damage your vehicle. Keep a record to remember the mileage, next oil change date, and type of oil. Refer to your owner’s manual or look up the:
Your mechanic, oil change service, or auto parts store associate will be able to provide advice on the best oil for your specifications. For more tips on car maintenance, traffic, and defensive driving, check out idrivesafely.com Is synthetic oil better than conventional?Yes, synthetic oil is better for your engine than conventional oil. Although conventional oil (i.e., mineral oil) can provide adequate lubrication performance, it can't compete with the overall engine performance and protection provided by synthetics.
What is the disadvantage of synthetic oil?Probably the most glaring downside of synthetic oil is the cost. The price of synthetic oil is around two to four times the price of conventional oil. Synthetics may be more prone to additives precipitation during cold storage conditions.
Is it okay to switch from conventional to synthetic oil?Despite the oil myths, both oil types are compatible with each other – no engine flush needed. So, simply making the switch will not cause any damage to your engine nor impact your travels. But, once you go with a high-quality full synthetic oil, you won't want to switch back to conventional.
When should you not use synthetic oil?This being said, however, it is still not recommended to use synthetic oil in engines that have experienced significant actions – specifically, those that have reached around 75,000 miles on the odometer.
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Whats the difference between synthetic and conventional oil
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