Top 5 synthetic motor oil FAQsIs synthetic oil better than conventional oil? Should I consider changing from conventional oil to synthetic oil? What’s the real difference between full synthetic, synthetic blend and conventional oil? Find the answers to the most frequently asked questions here. Show
5. Is synthetic oil better for my engine than conventional oil?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. Synthetics use higher quality base oils as compared to the less-refined base oils used in conventional oils which makes conventional oils:
Overall, full synthetic oils provide better engine performance and protection than conventional and synthetic blend motor oils. Mobil 1™ advanced full synthetic motor oils are specially formulated with a tailored additive system that provides additional performance benefits above and beyond those found with conventional and synthetic blend oils by:
So all of the chemistry that starts in a lab really makes a big difference on the road. 4. What are the advantages of synthetic oil over conventional oil?Synthetic oils are created through complex processes, including being chemically developed from petrochemicals, to have the exact molecular qualities needed for a specific application. These processes remove impurities from the crude oil and enable individual molecules to be tailored to the demands of modern engines. These customized molecules in synthetic oils provide higher levels of performance and protection than conventional oils. So how do synthetic oils outperform conventional oils?
3. Does synthetic oil have longer oil change intervals than conventional oil?Yes, generally, synthetic oil can provide longer oil change intervals than conventional oil. But this is often dependent upon the brand of motor oil and several other factors, such as driving style and driving conditions. Please follow the recommendations in your owner's manual while your vehicle is under warranty. Some synthetic motor oil brands still recommend oil changes every 3,000 or 5,000 miles. The Mobil 1 lineup includes full synthetic motor oils that support oil change intervals ranging from 7,500 miles, to 20,000 miles or one full year .† †Whichever comes first. 2. What is the difference between a full synthetic oil and a synthetic blend?While there are no firm industry definitions, full synthetic motor oils typically use the highest quality base oil combination as a starting point. Synthetic blend motor oils will typically be either a blend of high-quality and lower-quality conventional base oils or all high-quality (higher than conventional) base oils. But the synthetic base oil is only half the story. The correct blend of additives must go into the mix to create the oil. The tailored additive system in Mobil 1 full synthetic oils gives the additional performance benefits above and beyond those found with synthetic blend oils. And while full synthetics as a motor oil category provide better protection than conventional and synthetic blend oils, not all synthetics are created equal. 1. My car doesn’t require synthetic motor oil. Can I change from conventional motor oil to full synthetic motor oil?Switching from conventional motor oil to full synthetic motor oil is perfectly acceptable. Mobil 1 full synthetic motor oils are compatible with conventional oils, oils for high mileage vehicles, synthetic blends and other full synthetic oils. Engine flushing is not required. For high mileage engines However, if your vehicle has a high mileage engine (e.g., engine with more than 75,000 miles) that has never used synthetic motor oil, or one that has been poorly maintained with infrequent oil changes, we recommend easing into extended oil change intervals to allow Mobil 1 oil to clean up the engine. In these cases you should still follow the same basic oil change procedures (drain the old oil, remove the old oil filter, put in new Mobil 1 oil and put on a new oil filter). Follow your OEM’s recommended maintenance practices regarding oil changes, but you should follow more frequent (one or two non-extended drain) oil changes when first switching to synthetic oil. The reasoning behind these shortened oil change intervals is that a high mileage engine, or one that has had a lack of maintenance (including infrequent oil changes), will likely have a considerable buildup of sludge and deposits. Mobil 1 oil will help clean the engine as you drive, but it will have to work much harder in a very “dirty” engine and so it is best to change the oil more frequently for those first several thousand miles. After that, you can rest assured that Mobil 1 oil is continuing to keep your engine running clean and well lubricated for mile after mile. A quick word from eHow’s Auto CenterSynthetic? Conventional? Hear automotive expert Chris Duke share his knowledge on the topic. Is there a difference between high mileage synthetic oil and regular synthetic oil?High Mileage Synthetic Oils are specially designed for high mileage vehicles that require synthetic oils with extra seal conditioner providing more protection to worn seals, which can mitigate leaks in high mileage engines.
Is high mileage synthetic oil worth it?It can help reduce oil consumption, smoke, and emissions from older engines. High mileage oil also works to minimize leaks and oil seepage. While you could use high mileage oil in a younger car without harming it, the issues that high mileage oil addresses usually don't appear in vehicles with fewer than 75,000 miles.
Can you mix synthetic oil with high mileage synthetic?So, in the end, conventional and synthetic oils are comprised of the same, compatible components – it's just that the components in synthetics are much higher quality. While you can safely mix synthetic and conventional oils, you're doing nothing more than diluting the performance of the synthetic oil.
Does high mileage engine oil make a difference?What makes high-mileage engine oils different? High-mileage oils have ingredients to take care of older engines, like conditioners, seal swells, antioxidants, detergents and wear or friction additives. Typically they use a viscosity modifier that is durable and won't lose viscosity very easily.
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