Check which battery is right for my car. We recommend that you check both your battery size and type Find out more. Grid View List. Sort by:. FREE 5 point car check Includes battery and wiper blade condition checks Our fully trained staff check for common issues. Price Drop. Castrol Edge 5W30 Oil 4L. Here are the main categories of additive ingredients and why they're important:.
They do remove some deposits—primarily solids. However, their main purpose is to keep surfaces clean by inhibiting the formation of high-temperature deposits, rust, and corrosion. Some additives work both as detergents and dispersants. A zinc and phosphorus compound called ZDDP is a long-used favorite, along with other phosphorus and sulphur compounds.
If you must know, ZDDP stands for zinc dialkyl dithiophosphate. They reduce engine friction and thus, can improve fuel economy. Graphite, molybdenum and other compounds are used for this.
Oil contains wax particles that can congeal and reduce flow, so these additives are used to keep it flowing in the cold. Antioxidants : With tighter emissions regulations resulting in higher engine temperatures, antioxidants are needed to prevent oxidation that thickens the oil.
Some of the additives that perform other functions also serve this purpose, such as the antiwear agents. Oil foam is not as effective a lubricant as a liquid stream, so oils have foam inhibitors that cause the foam bubbles to collapse. You can't necessarily improve an oil by putting in more additives. In fact, you can make things worse. For example, sulphur compounds have antiwear and antioxidation characteristics, but they can reduce fuel economy and reduce the effectiveness of your catalytic converter.
Too much of a specific dispersant can affect catalyst performance and reduce fuel economy. Antiwear and friction-reducing additives also may have ingredients that could affect catalyst performance, such as sulphur, which companies are being pressured to use less. Adding tToo much of some detergents can also affect antiwear characteristics. Oil filters are a completely different,albeit related, subject when it comes to changing your oil.
Some aftermarket filters are larger, so make sure you have some extra oil if you use one. Type keyword s to search. Today's Top Stories. Those are the basics, but there's a whole lot more to the story than that. Pennzoil amazon. Valvoline amazon. Castrol amazon. Shell Rotella T amazon. Motor oil labels. So which engine oil should you go for? This would depend on the car you drive as well as where you drive it.
However, remember to choose the manufacturer specified engine oil for your car. Also, look out for your car and get the oil changed periodically. Wondering who the best person is to service your car? Think GoMechanic. We are here to assist you! Read More? Here you go! Dealership or Private Seller? This site uses Akismet to reduce spam. Learn how your comment data is processed. Sign in. Log into your account. Forgot your password? Create an account. Sign up. Password recovery. Recover your password.
Friday, November 12, Get help. The GoMechanic Blog. Engine Oil Provides Lubrication The motor oil lessens the friction amongst the various components of the engine during the combustion cycle. Here the W stands for Winter and represents how the oil will react to a cold start. In simple words, the number preceding W represents the parameter. Tells us how the oil will flow in cold conditions. When it comes to the grade of oil to use in your engine, check with the vehicle manufacturer. Or you can ask the professionals at a trusted repair shop.
One size does not fit all; each engine is designed to work with a specific grade of oil. Using 10W oil in a vehicle that calls for 0W could cause some pretty awful results. Same may go for synthetic oil over conventional. While many vehicles come from the factory loaded with conventional motor oil and it is fine to replace it with the same , more and more engines are designed to work with and contain synthetic oil from the factory. In these cases, it is necessary and even required to replace it with synthetic oil.
But even if your car came with conventional oil, you might decide to upgrade to higher-performing synthetic for best results. Again, consult with a trusted professional. The vehicle manufacturer also has a recommendation for intervals between oil and filter changes included in its routine maintenance schedule.
Most manufacturers suggest somewhere between 5K and 7. Some even more. This reservation of rights is intended to be only as broad and inclusive as is permitted by the laws of your State of residence. View Quotes View my tire cart. Menu Call Us Find Us. Mobil 1 FAQs. Contact Us. Send ».
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