For that reason, it is critical to understand the importance of oil viscosity in diesel engines, as it plays a major role in engine health. Read more: 11 Best Motor Oil Brands In 2024, Ranked The ...
In the past, there have been similar shifts in preferred engine oil viscosity grades. An example is the transition in heavy duty diesel engine oils in the 1980s from monograde viscosity SAE 30 and ...
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