Why is Castrol called the Sludge King?

Due to the sludge incident at that time, the engine oil brands tested were Great Wall, Kunlun, Shell, Mobil and Castrol. The test results showed that Mobil 1 performed best, while Kunlun Tianyuan was the worst, and the other three The brand's performance also fell short of the ideal range.

Although the manufacturer of Castrol later questioned that the method chosen for the test was unprofessional, it happened that Castrol’s promotional slogan at the time was “Born to Defeat Sludge”, which led to Castrol being nicknamed the “King of Sludge” ".

Extended information:

Now that so much time has passed, it stands to reason that the majority of car owners should have the most say in the performance of Castrol lubricants. It is worth noting that automobile fuel has a greater impact on sludge production in comparison.

The selection of lubricating oil should be determined according to the daily use of the vehicle. Moreover, engine oil plays a certain role in dissolving sediments.