The Petroleum Quality Institute of America tested three brands of SAE 5W-20 and three brands of SAE 5W-30 motor oil. The results of the tests conducted on samples of the brands meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories.
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SAE 5W-20 |
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SAE 5W-30 |
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