The Society of Automotive Engineers (SAE) developed a grading system over 100 years ago to classify the thickness of an oil by viscosity. It has been refined over the years but is still used by all oil and automotive manufacturers globally.
Finding the best synthetic oil for your car or motorcycle can be tough. I have put together this resource to help you find the best synthetic oil and with my experience will help you make an informed decision on what to use next or confirm that you may already be using the best.
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