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In fact, Mobil Castrol Shell engine oil is very good, now the top ranking is also more well-known, that is, these three brands of engine oil fakes are quite a lot, if the sales channel is not reliable, it is easy to buy fake engine oil, so I would rather buy some niche brands, quality ***, like the German GT Magic Red engine oil I bought, although it is a niche brand, but it is also the king of niche engine oil, the quality is still relatively good, a lot of high-end cars are in use, the reputation is also very good, the most important thing is that there is no fake problem, The official is the only sales channel with peace of mind.
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First up is Shell. The full name is Royal Dutch Shell Group, which is the world's oil company. It is a major international oil, gas and petrochemical producer and a global retailer of automotive fuels and lubricants.
Its outstanding feature is its high cleanability. The sludge and carbon deposits that are easily generated by the engine can be filtered out, so that the engine can be kept in good working condition for a long time. And the power response is also very good, which can be reflected in the engine with high assembly accuracy.
When you step on the throttle, there is an immediate power response.
And then there's Mobil. Mobil is characterized by its low susceptibility to cracking, so the oil change cycle is relatively long, and its products have good movement and high temperature resistance. These characteristics are due to the development of polyolefin base oils by Mobil.
The molecules of this base oil are arranged in a neat manner, which can resist external interference, so it has good resistance to oxidation and viscosity changes.
Then there's the well-known Castrol. The selling point of Castrol products is the good flow performance at low temperatures and the good protection of the engine from cold starts. In areas with low temperatures, vehicles with difficult cold starts, or older vehicles, Castrol is also a good choice.
If you're in a place where road conditions are always good, you can choose Shell, but you'll need to change your oil frequently. If it's a cold place, choose Castrol, and if you need good power and heat protection, choose Mobil.
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In terms of performance indicators, the order should be: Mobil, Castrol, Shell.
Mobil engine oil has a high performance index, in addition to the performance of lubricant, the most talked about is the improvement of acceleration performance and fuel saving, these two indicators are the most obvious. However, it is about 500 yuan and 4L yuan, which is slightly more expensive than semi-synthetic engine oil, but it gives you a different driving experience.
Castrol engine oil is also widely used, and its cleaning ability, lubricating performance and longevity are good. The experimental model is the Passat 6DSG, which uses a similar effect to semi-synthetic oil, and does not improve acceleration and oil consumption, but can last up to 8,000 kilometers for oil changes.
Shell engine oils are characterized by good cleaning performance and quietness, because the use of XHVI base oils lacks long-term stability and the overall performance is mediocre. However, many Japanese cars will choose this brand, the reason should be that Japanese engines do not have high requirements for oil grades.
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Mobil oil.
The biggest advantage of Mobil motor oil is its longevity and athletic performance, which is generally used by drivers who run long distances and drive on highways for a long time. At the same time, it has excellent high temperature resistance, and some old drivers have reported that it is no problem to run kilometers with this oil.
Castrol oils.
This oil is characterized by a good cold start effect, better wear resistance than other engine oils, and can effectively reduce the noise of the engine. However, its cleaning ability is not as good as that of Shell and Mobil oils, and the oil decays relatively quickly. In winter, especially in the cold north, many veteran drivers will adapt to Castrol engine oil to protect the engine.
Shell oil. The most striking feature of Shell motor oil is its cleanliness. The engine is prone to sludge and carbon deposits after a long time, and Shell oil can remove deposits from the engine, which can effectively protect the engine and make the driving smoother. At the same time, the oil can effectively control oil volatilization, reduce noise, and make the oil viscosity more durable and stable.
Conclusion: These three types of engine oils are all big brands, and the quality can be completely assured, and in general, there is no clear definition of which engine oil must be used. After understanding the characteristics of these three models, car owners can rationally choose the right engine oil brand, such as:
If you find that the engine has too much carbon deposit, you can rationally choose Shell and other things.
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The main focus of Castrol engine oil is anti-wear, but I have used it before, anti-wear is not particularly good, whether the oil is good or not, it depends on whether the oil contains liquid molybdenum, the German GT engine oil I use now is very good for anti-wear, because its liquid molybdenum content is very high!
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I recommend the American service, because we use more Mobil here, and the feedback is okay.
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1. Mobil's advantages: mainly high temperature stability, at the same time, low temperature starting performance is very good, can be quickly pumped to the moving part at low temperature, Mobil 1 0W-30 even down to -50 degrees still has this characteristic. It also effectively prevents the formation of sediment and sludge.
Mobil's disadvantages: Weaker cleaning effect compared to Shell oils. Compared to Castrol, the wear resistance is a little worse.
2. Advantages of Castrol: Castrol has a good protection effect on the cold start of the vehicle, good anti-friction, most people have heard of Castrol engine oil, Castrol this engine oil is significantly the magnetic protection series, but also the advantages of this engine oil. Cold start reduces wear between parts, oil adheres effectively to the cylinder wall, and has strong and effective fusion and flow.
Castrol's disadvantages: However, the cleaning ability is not as good as that of Shell and Mobil products of the same level, the oil decays quickly, and the noise suppression is not a strong point. However, it is generally balanced.
3. Advantages of Shell: It has a cleaning effect, blue shell, yellow shell and gray shell are all engine oils of this Shell series, in fact, the most prominent advantage is its cleaning ability. After a long period of use, the impurities in the car will lead to the production of carbon deposits, which will affect the power of the engine, so the role of this oil is to reduce the production of dirt inside, and there is no need to add auxiliary products such as fuel treasure.
The transmission efficiency is high, so the power response is relatively fast, in the actual driving, borrowing this technology, when stepping on the accelerator, the power response is very fast, this is the ability of Shell oil.
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<> Castrol focuses on engine protection.
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Turn a reference to quote: engine oil is composed of base oil plus additives, base oil accounts for about 70% of the weight, base oil is divided into one class, two categories, three categories, four categories, five categories, one is basically eliminated, the second class is mineral oil, the third class is refined mineral oil, the representative is Shell's XHVI, the fourth category is PAO, Mobil 1 is used, the fifth category includes more types, the main ester oil used to make engine oil is ester oil, divided into monoester and polyester, Motul 300V is a diester, the red line is polyester Poe basically Poe Better than PAO, PAO is better than XHVI4S full synthesis should be three types of XHVI XHVI viscosity index is enough, but the cost is low, the sealing is good, the noise is small, the stability of PAO is good, the mileage is long, the noise is large, the cleaning ability is strong, the POE performance is the best, lubricity, low temperature fluidity, high temperature stability are good, the disadvantage is that it is easy to absorb water and emulsify, the metal properties of the engine grinding down are acidic substances, and the acid resistance and stability of POE are not good, so it is suitable for high-performance engine oil, The mileage is not as long as the pao, and the gray shell I see that many riders on the jar use it is indeed less noisy, but I use Mobil 1 5W-30 If you want to have a fever again, the lipids are fully synthetic.
Shell and Castrol oil are relatively well-known brands in engine oil, and the quality of general engine oil is definitely okay, but there are quite a lot of series of Castrol and Shell engine oils, if you want to have a good driving experience, you must buy higher-end engine oil. I've also used some engine oil, and it's a bit loud at high speeds, but the quality isn't good. Since the use of GT Magic Red engine oil, this problem is gone, not only the sound is less at high speeds, but the power is also more sufficient, and the driving experience is much better, no wonder many high-end cars are using it.
The operating temperature of the large displacement car engine is high, so the quality of the oil is not good, and the performance will decay quickly, my old Prado, I have used a lot of engine oil, including Castrol and Mobil's best fully synthetic engine oil, the attenuation period is not more than 5000 kilometers, and then I simply changed to a more high-end German old engine oil GT Magic Red, its PAO four types of base oil quality is very good, so the high temperature resistance is also very strong, the oil performance of 10,000 kilometers before it began to attenuate, and now I have been using this oil.