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What Is Good Oil?
Mar 15, 2017

Engine oil choices, usually seasonally, and temperature

Applicable ambient temperature (° c)

5w -30°C、10w -25°C、15w -20°C、20w -15°C、30 30°C、40 40°C、50 50°C 。

"W" said winter (winter), its front of digital more small description oil of low temperature liquidity more good, representative can for using of environment temperature more low, in cold started Shi on engine of protection capacity more good; "w" behind (a cross behind) of digital is is oil resistance high temperature sex of index, numerical more big description oil in high temperature Xia of protection performance more good. High viscosity oils relatively high resistance to movement, not onlyconsuming power, increased fuel consumption, and engine oil temperature will rise, and prone to oxidation, the cold start protection. You can refer to the following:car oil to buy blog

Oil available in the market according to SAE classification, single-engine oil: winteroil 6, summer oil 4, multi-stage oil: universal oil had 16 in summer and winter. Winter oil brands are: 0W, 5W, 10W, 15W, 20W, 25W; summer oil grades are as follows: 20, 30, 40, 50, common in summer and winter grades of oil are: 5W-20, and 5W-30, and 5W-40, and 5W-50, and 10W-20, and 10W-30, and 10W-40, and 10W-50, and 15W-20, and 15W-30, and 15W-40, and 15W-50, and 20W-20, and 20W-30, and 20W-40, and 20W-50;

SL/SL: petrol-engined car use;

If the car is only a means, and your work will be used to, 10W-40 mineral oil is sufficient for you. If you want to save on gas costs, total synthesis of 5W-40 can meet your requirements, because it flows fast, can also reduce engine wear at startup.

Another way to determine viscosity is running then after a while listen engine sound valve, if the "Dada" obviously, then you should increase 

the viscosity.