Is it possible to interfere with different oils. Can I mix motor oils? What are compatible synthetic lubricants

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Some motorists for one reason or another change the habitual oil to another. And here arises a logical question: can I mix motor oils from different manufacturers? Below we will answer this question.

In what cases to mix oils is allowed

Motor oil consists of a database and a package of additives. Basic oils occupy an average of 75-85% of the total volume, the proportion of additives accounts for the remaining 15-25%.

For small exceptions, all over the world is made on several patented technologies. Multiple types of databases and methods for their preparation are known.

Mineral base. It is obtained by separating the lung fractions from crude oil and subsequent filtering. The heat treatment is not subjected to such a base, and, in fact, is a filtered residual substance after evaporation of gasoline and diesel fractions. Today meets more and less.
Hydrocracing distillation products. In a column of hydrocracking mineral oil Preheats before high temperatures under pressure and in the presence of chemical reagents. Next, the oil is frozen to remove the paraffin layer. Hard hydrocracking It occurs at very high temperatures and a huge pressure, which decomposes the paraffin fractions. After this procedure, a relatively homogeneous, stable base is obtained. In Japan, America and some European countries, similar oils are attributed to semi-synthetic. In Russia, they are called synthetics (labeled HC-Synthetic).
PJSC synthetics (PAO). Dear and technological base. The homogeneity of the composition and resistance to high temperatures and chemical changes affects elevated protective properties and an increased service life.
Rare bases. Most often in this category there are databases based on estrices (from vegetable fats) and created by GTL technology (from natural gas, VHVI).

Additives Today, the magnitude for all manufacturers of motor oils supplies only a few companies:

Lubrizol (about 40% of the total number of all engine oils).
Infineum (approximately 20% of the market).
ORONITE (about 5%).
others (the remaining 15%).

Despite the fact that manufacturers are different, additives themselves, like basic oils, have a significant mutual similarity both in high-quality and quantitative terms.

It is absolutely safe to mix oils in cases where the base of oil and additives coincide. Regardless of the brand specified on the canister. There will also be a big mistake mixing various bases when the additive packages match.

You can not mix oils with unique additives or databases. For example, the dancer to interfere with mineral or molybdenum additive Not recommended with standard. In these cases, even with a complete change of lubricant, it is advisable to use before filling wash oilTo drive out all the remnants of the engine. Since in the crankcase, oil canals and the head of the block remains up to 10% of the old oil.

The type of database and the package of additives is sometimes indicated on the canister itself. But more often you have to contact the official sites of manufacturers or oil suppliers.

Consequences of mixing incompatible oils

Critical chemical reactions (fire, explosion or expansion of engine parts) or hazardous consequences when mixing different oils for a car and a person in the entire history was not detected. The most negative, which can happen, this is:

increased foaming;
reduction of operating characteristics of oil (protective, detergent, native and so on);
decomposition of significant connections from different packages of additives;
the formation of ballast chemical compounds in the oil volume.

The consequences of mixing oils in this case are unpleasant, and can lead both to a decrease in the engine resource and to rather sharp, avalanche-like wear, followed by a motor output. Therefore, mixing engine oils without solid confidence in their compatibility is impossible.

However, in the case when the choice is: or mix lubricants, or ride with a critical low level (or without oil) - it is better to choose mixing. At the same time, replace the mix from different oils as early as possible. And before the fill of the fresh lubricant, it will not be superfluous to rinse the crankcase.

Whether to mix motor oils 4.75 /5 (95.00%) 4 Voice (s)

Is it possible to mix motor oils of different manufacturersOn this occasion a lot of disputes and opinions. Some think that all motor oils are the same. Therefore, poured into the engine what is cheaper in the store. There is another myth that there is a distinguished viscosity, various chemical additives - already suggest that motor oils are all different, and they are categorically impossible to mix them. Let's figure it out in this matter.

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Mix motor oils of different manufacturers usually when the car owner has a desire go to the lubricating liquid of another brandwhich differs accordingly by viscosity and type.

There are also situations where the car owner is forced to add other engine oil. The reason to become the drop in the oil level in the engine, and the suitable at hand did not turn out, or there is no on sale. And go to such a step, topping the engine oil of another brand.

Car service in Moscow on the replacement of motor oil:

We load car services ...

Modern engine oils can be mixed with each other without any consequences. Moreover, any, semi-synthetic with mineral, synthetic with semi-synthetic, diesel with gasoline, 5W30 from 15W40. Prove it is simple enough.

Within one concern, the base for all oils is the sameYes, and additives almost the same. Therefore, such liquids are allowed, and in different proportions.

However, almost no one thinks about whether the most common oil replacement and oil filter, in the engine remains around 5-10% Exhaust liquid.

Any product that is produced in the world complies with standards, quality standards. Motor oil is no exception.

The main criterion for compliance with the US standard API., European Acea. It consists in compatibility and mixing oils.

If the manufacturer fails to provide mixability, it will not receive compliance with API and ACEA, with all the ensuing consequences. Which reach up to the ban on selling such oils in the American and European markets. It is for this that additives that prevent foaming are applied.

You can mix, for example, Synthetics 5W40 with semi-synthetic 10W40, and get oil with a viscosity of 6W40 or 8W40, depending on the ratios of mixed oils.

Thus, if you want to change the viscosity of the engine oil, it is better to use the liquid of one brand. For this reason, additives and various chemical components within the concern will not differ. Therefore, motor oils of one concern are best in contact.

Inside the brand, any oils are mixed in any proportions.

The reasons:

The same oil base.
Visidial additives are the same.
Packages of additives, in the bulk of the same.

Of course, the motor oils will differ, but it is definitely not to conflict. It's no secret to anyone, there are plants manufacturers producing motor oils under different brands. With the same oil, and the same additives. So the concern earns much more money.

The quality of these oils will be identical. All of them will have similar properties. Therefore, no fallouts in precipitate, folding, foaming will not be. But the price at the same time will differ significantly. And here you already choose, pay for the brand and quality, or for quality.

Motor oils of different manufacturers mix permissible. However, some specialists, and the manufacturers are not particularly recommended. Argumenting the fact that various brands enjoy a variety of chemical. Additives and additives that may differ in content. Of course, this does not mean that the liquid immediately foam and falls into the sediment.

But it is best to do that when you plan to ride not long, or in order to get to the right one hundred, in order to avoid negative consequences.

Therefore, many motorists pour into those oils that are recommended by car radio or a hundred. After all, if the motor oils of different manufacturers can make incorrectly, can lead to untiless consequenceswhich happen extremely rarely. However, it is not necessary to abuse such a decision.

Mixing is allowed, but the question is whether it is necessary. The most ideal version of the engine oil is replaced, it is to choose one oil, one filter and replacing yourself, or on the same service station. Thus, you can minimize the risks of the bay of low-quality oil and the installation of a bad oil filter.

Mix engine oil only in extreme cases.

Consider the situation. A light bulb on the track caught fire. but suitable oil With you, it was not. On the nearest service station, at the gas station, there is no such oil in the auto shop.

If the car engine requires special engine oils. In this case, look at the tolerances. Take any suitable tolerance and plot as much as you need until next.

If the car does not require special oils. Then take the software you need viscosity, if there is no, then fill the oil of higher quality.

In the mineral 15W40 pour semi-synthetic 15W40, or the semi-synthetic 10W40.
In grasintetic, 10W40 pour the synthetic 5W40.
In the synthetics, fill 5W40 pour the synthetic 5W30, etc.

If the engine oil is not above your quality, then pour what is happening, but in such a hundred right. This also applies to those cases where the seller and engine oil causes you suspicion. Anti-fake engine oil API, ACEA is useless.

Now we generalize, by what parameters you can mix:

When mixed, be sure to see the tolerances - they must coincide (compatible).
Oil class must match. Do not leute B. a car Oil intended for trucks.
It is recommended to mix the oil of the same viscosity.
It is recommended to mix oils related to one concern.
Be sure to increase the quality of the oil. To the mineral to add semi-synthetic, in semi-synthetic - synthetics.

Not permissible:

Reduce the quality of the oil. Do not leut into synthetic semi-synthetic.
Do not mix mineral oil with synthetic.
Do not mix in proportions 50 to 50, Best topping in MAK 15%.

Finally…

Now you know that mix motor oils of different manufacturers permissible. However, tighten the liquid of another brand only in the most extreme, emergency cases. Use only high-quality and original engine oils, it will definitely not lead to good.

Is it possible to mix semi-synthetic and synthetics? This is an urgent question for many autmobile owners. Unfortunately, there are no cases when the oil pressure in the system falls, and the oil pressure light lights up. The situation is complicated if it happens on the track. It is known that it is impossible to continue moving at a burning light bulb. And then before the driver there are 2 outputs: either towing a car for a hundred (with the help of a tow truck or friends), or add oil and still continue to follow the service station. You need to find out why oil pressure dropped, and eliminate a malfunction.

But what to do if the semi-synthetic is filled in the engine, and only synthetics have in the trunk? Therefore, the second option requires a clear answer to questions: is it possible to mix semi-synthetic and synthetics. What if oil is already mixed? We will also try to figure out what will lead to the top of the semi-synthetic in the synthetic or vice versa. These issues are always relevant, but different Masters-Motorists respond to them in different ways. For an accurate answer to these questions, you need to deal with the oils themselves.

Basic base

Any oil has its own basic base: mineral, synthetic, semi-synthetic. This basis add different additives to impart flushing, antioxidative properties, to improve the structure, increase resistance to temperature fluctuations, etc. Additives are aimed at improving engine characteristics, and they are practically in any fuel.

About synthetics

Raw materials for synthetic oils are ethylene produced from oil or hydrocarbon gas. Such bases are derived using complex chemical transformations by changing the molecular structure of raw materials. At the moment synthetic oils They are the most expensive, and they provide better efficient engine protection even in extreme conditions.

The synthetic base consists of a molecules of a certain size and structure. The more homogeneous molecules, the best parameters It has the basis. Structure hydrocarbon compounds Presented in the form of chains of carbon atoms, and these chains have the same form. Due to its structure, synthetic oil is resistant to high temperatures and high loads. Its structure does not change even at negative temperatures (relevant for universal oils).

Semi-synthetic

The semi-synthetic oil is made by adding a mineral base to synthetic. The mineral foundation itself is very different in its structure from synthetic, and they receive it completely different. In essence, mineral oil is a purified waste production of gas, kerosene and gasoline.

The semi-synthetic oil has an inhomogeneous structure, and its molecules differ in shape. Therefore, the range of operating temperatures of this lubricant is lower. Due to the lower density, the sliding lubricant is worse, and therefore the effectiveness of its operation below. Hence, specifications Worsen if mixing synthetics and semi-synthetic. Is it possible to do that? Without extreme need, it is categorically prohibited. So we figured out a little, is it possible to mix oil synthetics and semi-synthetic.

Problem with additives

The problem of mixing two bases (synthetics and semi-synthetic) is not the only one. When you top one oil to another, then you are mixed also additives. Additives are chemical compounds that are derived from special formulas. Their composition is unclear, since the formulas are kept in the strictest selection. Each manufacturer adds its additive package to a certain product, so there are no two different lubricants on the same basis and with one additive package.

Is it possible to mix semi-synthetic and synthetics with different additives? It is impossible, because when mixing various chemical compounds (unknown), some of them fall into the sediment. As a result, oil loses their lubricating properties. If the additives that are responsible for cleaning the motor are precipitated, the cleansing effect is lost. The same can be said about other additives.

Note that this is a rather controversial question, and not all Motorists agree with the statement that additives fall into the sediment when mixing lubricants. It is possible that this is fairly not for all cases. Sometimes such reactions may not occur. In any case, without extreme, it is better not to risk, because even oils of the same manufacturer, but on a different basis, may contain various "conflict" additive packages falling into the sediment when mixing.

Mixing different viscosity

In addition to different additive packages, oils also have a definite viscosity. Viscosity is a parameter that determines how fluid (viscous) is oil, as this fluidity varies at different temperatures. When mixing engine oils, viscosity plays a huge role. Perhaps greater than in the case of additives and bases.

Explain. There are so-called winter, summer and all-season oils. Winter has a very low viscosity, therefore, with a negative air temperature, they do not thick, and the oil pump can easily distinguish this liquid along the engine oil system. Summer oils have a high viscosity, so when working in the summer, they are effective. However B. winter time They are very thick, and the pump is not able to effectively drive them along the oil system. As a result, the lubricant may not reach the friction pairs, which is why the motor is rapidly wear out.

And now the question is: Is it possible to mix motor oils intended for different periods of the year? Of course not. In this case, the conflict will be called immediately in three "places": in the package of additives, based on viscosity.

Mixing universal oils

There are also universal oils that have practically crowded seasonal market. But this does not mean that their viscosity is standard. By viscosity, universal lubricants are also different. For example, in Russia, the oil is popular with a viscosity of 10W40 or 15W40, which can work in temperature ranges from -25 to +40 degrees. Less popular are lubricants with a viscosity of 5W20. If the oil is universal, in this case, can engine oils can be mixed? Synthetic and semi-synthetic is not recommended to mix even if it comes to universal lubricants. After all, their viscosity is also different.

For example, if you mix the lubricant with a viscosity of SAE 10W40 with an oil viscosity of 5W20, then as a result, you can get a lubricant with an average viscosity value. And the characteristics of such lubrication will be close to the parameter of that oil, whose content inside the motor is greater.

However, it should be borne in mind that the oil 10w40 is much thicker compared to the 5W40 lubricant viscosity. Therefore, the resulting mixture will be discharged when heated, and heating at large engine speeds takes place. As a result, this can lead (but not a fact, which will lead to the formation of a weak protective film in the contamination pairs of parts, which will contribute to a faster engine wear. Therefore, it is not even worth thinking about whether it is possible to mix the synthetics and semi-synthetic "zek". Recommendations on this will always be reduced to the ban of mixing them. However, if you have already mixed lubricants of different viscosity, Basics or from different manufacturers, remember that it is impossible to ride on such oil for a long time.

Consequences of mixing

If you board a high viscosity semi-synthetics engine and at the same time decrease the fluidity of lubrication to a critical value, the liquid will become thick. In such a state, the oil pump will not be able to pump it to the friction pairs, and then the engine will work with dry fridge spare parts.

Also, when mixing liquids, it is possible to increase the minimum temperature boundary of the mixture at which it can effectively work. This means that if earlier the engine started well at -20 degrees, now there may be problems with starting at the same air temperature.

For new engines, it is unacceptable to resort to mixing synthetic and semi-synthetic. This will lead to a rapid formation of nagar on pistons at high temperatures. Also, the semi-synthetic will help reduce the friction force between the drive elements, which will affect the loss of power of the motor.

Is it possible to mix transmission synthetics and semi-synthetic?

And although there is no such high temperatures in the transmission, which are formed in the engine internal combustion, mix different basics even in it is not recommended. Results may be the same, but with less deposits. Given the low temperature, additives may not fall into the sediment, but no one can predict the result.

Therefore, if I had to mix different bases of lubricants in the transmission, it is impossible to ride long on such oil. Immediately go to a hundred in order to fully replace the oil on the "native".

Now we fully figured out whether motor oils can be mixed. Tips for drivers who do not have the ability to drive off the car for a hundred:

Try to mix oil on one basis. That is, synthetics with synthetics, semi-synthetic with semi-synthetic.
Pay attention to viscosity. Lubrication 10W40 must be mixed with butter with the same viscosity.
It is desirable to choose the compositions of the same manufacturer.

All of these three councils are indicated in order to reduce importance. Ideally, without any consequences for the engine, it is possible to mix oils on one basis, with the same viscosity and the same manufacturer. There will be one additive package that will not cause conflict and fall into the sediment.

Conclusion

If you still mixed different lubricants, then immediately follow the service station for the purpose of washing the motor and full replacement lubricating composition. When driving, try to keep low speed and do not load the motor. So the wear of friction pairs will be low. Ideally, when burning the oil pressure light, the car must be towed to a hundred, and not to add "non-rigid" oil. So you eliminate possible harm that can be applied by engine by mixing oils.

Greetings blog readers! Imagine this situation: you drive yourself calmly in your affairs and suddenly caught the oil pressure check. Naturally, no one wants the engine to get, so in the fast pace go to the nearest refuel or auto shop. We come to the place, we look at the showcase and do not find the fluid that is filled in the car. There are such brands, but the manufacturers are all others. And the first question that comes to the head of the motorist is whether it is possible to mix oils from different manufacturers? And if you mix how the engine will react to it. Let's deal with.

What opinions are

In fact, pouring or not pouring - the question is quite delicate and puts even experienced motorists in a dead end. And the opinions on this reason are radically different. Some categorically not advise to mix, others say that if mixed - nothing terrible will happen. But is it so and what will happen if still mix?

All existing opinions can be divided into three groups:

Mixing engine oils are not allowed. Manufacturers lubricants, Different petroleum products are used, and most importantly are different additives. It is additives that can conflict among themselves. As a result - the mixture can foam or fall into the sediment. So what is next - overhaul Engine.
Mixing oils allowed. Moreover, it can be any please, i.e. You can, for example, add castrol 15w40 mineral water into the Shell 5W30 synthetics and everything will be fine. What to say here? Such experiments are better not to carry out - your engine will definitely not appreciate.
It is possible to interfere with oilBut only considering certain rules. This is much closer to the truth. Why - soon we'll figure it out.

But all this for the most part of the theory. In practice, it may be different, the driver in a hopeless situation goes to the risk, mixes the "non-shaped" liquids and the engine is working normally. And you can buy good oil And in the appendage to get problems with the car. Therefore, the first rule - it is impossible to save on lubrication fluid.

What the manufacturers say

It would seem - who knows better if motor oils can be mixed than manufacturers of fuel. But, concerns producing lubricants prefer to keep silence ...

Why is this happening? Here everything is simple - well, who will be recommended to buy from competitors? On the contrary, each manufacturer says that its products are the best, technological, efficient, etc., while hinting that all other brands are much worse.

Is it possible to mix different oils in the engine

To immediately make specifics - yes, you can mix. But, it is impossible to do this mindlessly. Immediately need to specify that we are talking about the oil tank. Those. Add 10-15% of the liquid of one manufacturer to another is one. And make a mixture in proportion 50 to 50 - here no one will give warranty that there will be no problems with the engine.

In confirmation - a few facts:

Exists semi-synthetic oil . And this is just a mixture of mineral (50-70%) and synthetic (30-50%) products.
The engine has such a thingLike a non-lighted balance. Depending on the car model and the oil replacement method, the residue of working out can reach 10-15% of the total volume. By the way, if the washing is used when replacing - it also remains in the engine.
This question is regulated International standards for fuel manufacturers.

In fact, there is no direct ban on mixing oils of various producers and brands anywhere. But this can be done only in extreme cases. At the same time, it is best to mix liquids with the same viscosity.

What are international standards say

Globalization and standardization reigns in the world. Everything that is produced and sold in international markets must comply with established standards and standards.

What does interchangeability mean for lubricating fluids? You can select two items:

additive manufacturers are not so much - actually as part of many different fluids they are the same;
as part of almost all lubricants there are additives against foaming. Why is this done - read on.

And now the most interesting. Everything modern oils Produced in accordance with two standards:

API - American Standard;
ACEA - European Standard.

They give a clear answer to the question - is it possible to mix miscellaneous oils In the engine. In the standards it is written that the oil has been certified full compatibility With any other certified grade of lubricating fluid of the same class. Moreover, mixing should not entail any negative consequences. If the liquid does not meet this requirement - it will simply be banned. For this, additives are applied against foaming.

Thus, having a mineral in the engine, you can easily flood any other certified liquid, for example, the synthetic. Of course, with such a cocktail under the hood, it is not worth riding for a long time. You need to completely change the oil and change the filter. But the fact remains a fact.

Different brands belonging to one concern

It's no secret that many manufacturers produce products from one line under different brands. What is it done for? The answer is obvious - thus companies earn more money.

For example, at the Total and Elf brands one owner. Or Concern Exxon-Mobil, which produces Esso, Mobil and Comma oil. Orienting brands for different price segments, companies increase their profits. In fact, the base in such oils is one, they are made of identical petroleum products and have similar properties. Therefore, it is possible to mix them without problems.

Tolerances of automakers

But this is a very important criterion. European autocontracens have long introduced a system of tolerances for lubricants. What does this motorist give:

the corresponding marking on the canister means that this brand has passed the internal control of the automaker and is recommended for use;
the tolerance has the greatest impact on the choice of liquid for the topping.

Let's consider such an example. In the engine filled synthetic with a viscosity of 10W40. For topping there is a choice:

the same synthetics of another manufacturer without admission;
synthetic oil of another manufacturer with a viscosity of 5W40, but with admission.

The choice is unequivocal - "allowed" liquid for use in the car tolerance. And the ultimate viscosity of the mixture will be about 8W40.

Examples of tolerances:

VW 504.00 - for volkswagen carscorresponding to the EURO-6 standard;
Ford WSS-M2C913-D - for diesel Fords released after 2009

These marks need to pay attention first.

Rules for mixing different oils

So, let's summarize and bring the rules that need to be guided by mixing different liquids from different manufacturers.

How to mix it right:

First of all, pay attention to the tolerances.
The oils must match the class. Those. A / B liquid (passenger gasoline and diesel) does not need to top up class E (for cargo diesel engines).
It is advisable to mix alone viscosity oils.
It is better to mix brands belonging to one concern.
Improve quality. For example, to mineral to add semi-synthetic, in the semi-synthetic synthetic.

How can not mix:

It is allowed to top 10-15% of another liquid. It is impossible to mix them in proportion 50 to 50.
No need to lower quality, i.e. Pour in synthetic semi-synthetic oils.
It is better not to interfere with the synthetic and mineral oil.

These rules can be guided by two-stroke engines. The main thing to take into account ashost.

Hydraulic fluids for GUR

Mixing hydraulic oils, you need to follow the rules:

Green oil is impossible to mix.
It is strictly forbidden to mix mineral water and synthetics.
Mix can be green and red liquids.

Of course, so that GUR worked without problems, it is best to pour the original liquid.

And the most important rule is after the top of the other oil in the engine, you need to completely change it and change the filter. And you need to do it as soon as possible. Although the ban on mixing different marks And no, no one can give 100% guarantees that different oils will not harm the engine.

That's all, do not forget to post comments on the article and read other blog articles. All the best.

Even experienced motorists often disagree: mixing motor oils - is it good or bad? In this article we will reveal some nuances of engine maintenance of your car.

1 What types of motor lubricants are used in passenger cars?

The grease for the engine must correspond to the parameters specified by the manufacturer. There are several classifications of this consumable material. Motorists are familiar to the American API system, European ACEA, international ISLAC and some others. It is also closer and clearer the classification, accentuated on the type of oil base:

synthetics - fully artificial consistency;
mineral - made of natural products, most often oil;
the semi-synthetic is the symbiosis of the first two categories of engine oils.

Engine lubricants

Synthetic products have increased protective properties, they are resistant to processes occurring in the engine. Such consumables are well coped with elevated loads and allow you to make a car in a heavy frost without any problems. Synthetic packaging is always indicated that it is made of substances obtained by artificial Fully Synthetic.

Synthetic oil for motor motor

Mineral oils are produced from natural components. This type of lubricant is less resistant to loads. It does not like high temperatures, frost and requires increased attention. The only plus of the mineral consumator is its low cost. Semi-synthetic products have properties of synthetics and mineral components. Often, special additives are used in such a lubricant, which improve product quality indicators. To semi-synthetic, for example, refers motor oil Zek, South Korean firm SK Corporation.

2 mix or not - how to be?

Immediately, let's say that various types of oils used in the engine can be mixed. But in order not to put the harm to the motor, do it need it, observing some rules. Mineral lubricant is best diluted with semi-synthetic products or polyalphaole-based synthetics (PJSC). Suitable consumables made by hydrocracking.

Semi-synthetic product In the synthetics, if necessary, tighten the mineral. There is nothing terrible in this. However, look what kind of lubrication you use. These must be polyester, glycolic or silicone oils. If you have the opportunity, do not be lazy and look on the Internet, which product can be mixed with your synthetics.

Topping Mineral Motor Oil Currently, leading engine oil manufacturers have developed special API and ACEA standards that allow you to mix various lubricants without the slightest risk. If there is a given abbreviation on the package, then boldly tosses the contents of the bottle into your engine, even if the product is released by another company. Semi-synthetic can also be mixed with synthetics. A successful combination is obtained when the lower quality oil flows into the oil consumables High Quality.

3 to different manufacturers - special attention

Often mixing various types of lubricant is not critical for the engine. But if you have the opportunity, do not use automotive consumables of different manufacturers for the top of the motor. Such products may have additives that come into conflict with each other due to the difference in the composition and manufacturing technology. In rare cases, additives are activated by chemical reactions that lead to foaming of the main product and the formation of a precipitate.

Adding automotive additive

Even with a complete replacement of oil in the engine, a certain amount of old lubricant remains. There is a possibility of incompatibility of additives.

If you for some reason you do not have the opportunity to add synthetics into the synthetics, then try to mix products made by one firm. With such a replacement most of the components motor lubricants It will contain a minimum of different additives and will not cause negative processes.

Mixing motor lubricants Of all the above, you can conclude. You can mix motor oils, but do not forget about simple rules. Dilute the synthetics by a semi-synthetic product, semi-synthetic mineral analog, and mineral consumables are semi-synthetic. The best option It will be if the oils were manufactured by the same company. And do not forget to have a small margin of lubricant recommended by the manufacturer of your car.