Valvoline SynPower XL-III C3 5W30 2022. How effectively does the oil protect the engine?
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Testing Valvoline SynPower XL-III C3 5W30 2022 engine oil.
Round 0 - test at normal temperature
Sample: diameter 2.92
What does the test show?
The friction test is designed to show the oil film's resistance to tearing (the strength of the oil film).
Metal components in the engine during their operation (friction, such as pistons) can lead to scratches and nicks. The better quality the oil, the better it should protect the engine, against their formation.
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How does the test proceed?
A new sample is subjected to metal-to-metal friction under a load of 1kg for a period of 5 minutes. The diameter of the sample is then measured at its lowest point. Each new sample has a diameter of 2.92. The lower the result, the better.
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