Day: June 27, 2017

Results in on Four Samples of 5W-20

The results are in on four samples of 5W-20 motor oils.  Although the results of the tests conducted on the samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories, one of the brands (Zecol-MAX) got our attention.  This is… Read More ›