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Tag: Ravenol

Results in on Three 5W-20s and Three 5W-30s

  The Petroleum Quality Institute of America tested three brands of SAE 5W-20 and three brands of┬áSAE 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…. Read More ›