Tag: ChevronDelo

Results in on Four API CK-4 Diesel Engine Oils

The results are in on the first four samples of diesel engine oil PQIA observed in the market labeled with the new API CK-4 performance specification. Each of the samples examined meet the SAE J300 specification for an SAE 15W-40 along with the phosphorus and Noack volatility requirements needed to meet the new API CK-4… Read More ›

PQIA Examines Five Deisel Motor Oil Samples

In response to a number of inquiries PQIA received over the past few months about heavy duty engine oils (HDEO), we took a look at HDEOs readily available on retails shelves. The results of the tests conducted on the first group of samples are consistent with their labeled claims. Click bottles below for details. SAE 10W-30… Read More ›