Day: November 11, 2020

Results in on Samples of CarQuest, NAPA, ProLine, and STP

The results of the tests conducted on the CarQuest, NAPA, ProLine, and STP samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product labels, and are consistent with the listed API Service Categories.

The High and Low of API SP ILSAC GF-6A Motor Oils

The recently introduced API SP Service Category and ILSAC GF-6A/6B standards complete the process to upgrade passenger car motor oils.