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 SAE 15W-40
shellrotellat10w30frontblog chevrondelo400xle10w30frontfinished mobildelvac1300super15w40frontfinished supertech15w40frontfinished mystik15w40frontfinished
Rotella T
Chevron Delo
400 XLE
 Mobil Delvac
1300 Super
 SuperTech Mystik
JT 8


PETROLEUM QUALITY INSTITUTE OF AMERICA SAMPLE SUMMARY/PASSENGER CAR MOTOR OIL Passenger car motor oil is the lifeblood of your engine. In addition to lubricating moving

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