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Using the right oil helps your car’s engine to operate stably and smoothly. And vice versa, if you use the wrong oil, it will damage the car’s engine, waste fuel, increase emissions and can affect the maintenance time of the car.
To help you choose the right oil for your engine, below Elzer Lubrication Inc USA will share with you experiences to choose and buy the most suitable car oil.
First: You need to understand what SAE viscosity grade means ?
SAE scale (Society of Automotive Engineers – American Society of Automotive Engineers). Lubricating oil is similar to edible grease with an undesirable property that the viscosity always changes with temperature, ie it will thicken when the temperature is low and will dilute as the temperature increases. Based on this property, SAE stipulates the viscosity grade SAE represents the viscosity-thinness of lubricants such as SAE 30, 40 and 50.
On any car oil there are SAE ratings. For example : SAE 5w-30 , 10w-40 , ….In the SAE index, there are 2 parameters that need attention:
– The letter W is said to stand for “Winter – winter” indicating the ability to start when it is cold. This temperature is determined by subtracting that number from 30 but at a negative temperature. For example, 10W oil will start well at -20ºC, 15W oil will start well at -15ºC. The smaller the number before the letter W, the better the lubricant will perform in cold conditions (for example, 5w-30 lubricants will start and perform better than 10W-40 lubricants at low temperatures).
– The parameter behind the letter W represents the viscosity-thinness of the oil such as 20, 30, 40, 50 …
Elzer Lubrication Inc USA car oil always has enough viscosity levels for you to choose
Low temperature dilute oils are good lubricants because they move more easily and provide good protection for the engine when starting at cold state. If the oil is too thick when starting, the oil will be difficult to operate in the engine and reduce fuel economy.
=> The larger the number, the thicker the viscosity. This index is not used to distinguish lubricant quality.
Oil viscosity is an important factor in determining which one is right for your vehicle. Too loose it won’t sufficiently lubricate the engine parts as it heats up. The climate in the areas you usually drive in is very important to consider. Currently, most car engines use multigrade oils, which can be used in both winter and summer. This oil has passed the SAE specification for liquid oils at low temperatures, as well as thicker oils at high temperatures.
The viscosity of engine oil changes with temperature, so multigrade oils are created to protect the engine over the operating temperature range. In short, we need to choose the right viscosity for the vehicle according to the following cases:
- With a new car, the engine details are still tight, you should use oil with thin viscosity parameters such as 30, 40 or even 20. Thin oil helps lubricate timely and better, minimizing fuel consumption. .
- Only use thicker oil when the car has had a long time of use, piston wear, and a lot of friction between details. This can reduce the noise generated when the engine is running due to the components.
Second: you need to know what is the API feature level?
API stands for American Petroleum Institute – American Petroleum Association.
The API feature level consists of 2 letters, starting with:
- S – stands for Service (gasoline engine)
- C – stands for Commercial (diesel engine)
The API quality level for gasoline engines has the letter “S” at the beginning such as: SA, SB, SC, SE, SF, SG, SH, SJ, SL, SM, SN.
The 2nd letter indicates the quality standard of the lubricant, starting with the letter A. The further the 2nd letter is from the letter A in the alphabet, the better quality lubricant SL is better than SA.
Elzer Ultra Gold is a premium mineral engine oil that meets API SN
API for diesel engines has the letter “C” at the beginning for example: CA, CB, CC, CD, … the highest currently is CI4. The higher the quality grade, the more advanced it will be and will meet the harsh requirements of newer engines.
Specialized automotive oil for Diesel engines with API CL-4 . quality
Third: You need to know information about the base oil of each car oil
Usually, on each can of oil, there is an additional parameter about the base of the oil. The oils currently on the market include:
+ 100% synthetic oil ( 100% synthetic ; Fully synthetic ; Vollsynthetisch… Oil-based information language sometimes depends on the language of the country where the oil is produced)
100% synthetic oil commonly used in high-tech engines, this oil has passed rigorous tests for high and long-lasting performance, from viscosity index testing to protection against precipitation. in the engine. Oil circulates well at low temperatures and maintains lubrication at high temperatures. However, synthetic oil is quite expensive compared to conventional oil. In return, the period or periodic oil is extended.
+ Semi-synthetic oils (Technosynthese, Synthetic Blend…)
As a combination of premium conventional oil and synthetic oil, this oil provides fairly good engine protection, ensuring optimum engine operation. It carries most of the advantages of 100% synthetic oil, and is sometimes favored by many users due to its consistent oil change intervals. neither too long nor too fast.
+ Mineral base oils (mineral, meniralisch, …)
Oil viscosity is an important factor in determining which one is right for your vehicle.
This oil only achieves low API grade (SL), and high SAE viscosity. This is a reasonable choice for users with frequent oil changes and engines that have run a lot, old engines.
Epilogue:
To make the car engine more durable and quieter, your steering feel smoother and safer, you should pay attention to the lubricating oil for the car. In addition to choosing the right oil for the engine (petrol or diesel), you also need to choose the right viscosity for that engine type, so you can optimize the capacity of the car.
Hopefully this article with a little sharing, Elzer Lubrication Inc USA partly helps you to choose the right lubricant for your “love car”. If you have a need to buy car engine oil or learn about products, please contact the hotline below for the fastest support. Wishing you many safe miles!