The independent resource for information and insights on the quality and integrity of lubricants in the marketplace.

Results in on More 15W-40 HDEOs, Mining the Minds

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September 14, 2018 • Motor Oil, PQIA Quality Reports

Results for a Fourth Group of 15W-40s are in The results are in on four more heavy duty diesel engine oils, and 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, or in the… Read More ›

PQIA Quality Reports »

Results in on More 15W-40 HDEOs, Mining the Minds

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Results for a Fourth Group of 15W-40s are in The results are in on four more heavy duty diesel engine oils, and 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, or in the… Read More ›

Motor Oil »

Motor Oil Specifications – The Process of Change

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  June 13, 2018 Motor Oil Specifications – The Process of Change by Thomas F. Glenn The PQIA has recently fielded many questions about the new API SN Plus Service Category and although some are technical, many others we received are more general and look to understand why specifications change and how the new specifications… Read More ›

Automatic Transmission Fluid »

PQIA Issues Consumer Alerts on Two ATFs

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PQIA Issues Consumer Alerts on Two ATFs The Petroleum Quality Institute of America recently issued Consumer Alerts for Mileage 365 and Q Motor Oil brands (see list below). In addition to finding serious deficiencies and contamination in the samples tested that could result in harm to an engine, the labels on the products do not… Read More ›

Antifreeze/Coolant Program »

Antifreeze: What’s the Difference?

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The Petroleum Quality Institute of America (PQIA) fielded a number of calls and emails following publication of test results for three brands of antifreeze (also known as coolants) last week. In addition to expressing dismay about the product (click for details) on the retail shelf with only 8% ethylene glycol and a freeze point of… Read More ›

Other »

A Must-Attend Event for Lubricant Distributors, Manufacturers, Buyers and Others

Ron Hayes Joins Other Distinguished Speakers at the PQIA Lubricant Quality Summit Hayes will speak about the work the State of Missouri is doing to help protect consumers from obsolete and off-spec Tractor Hydraulic Fluids The Petroleum Quality Institute of America is pleased to announce that Ron Hayes, Director, Missouri Department of Agriculture, Division of… Read More ›