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PQIA Quality Reports rss

PQIA reports on seven samples of motor oil, and two antifreeze/coolants

Motor Oil Samples The Petroleum Quality Institute of America reports on three brands of SAE 5W-20, two brands of SAE 5W-30, and two brands of SAE 10W-30 motor oil recently tested. The results of the tests conducted on samples of the products shown below meet the SAE J300 specifications for the SAE viscosity grade listed… Read More ›

Shell Claims a Sample of Delvac 1300 Super 15W-40 CK-4 Doesn’t Meet Spec

July 2, 2018 Shell Claims a Sample of Delvac 1300 Super 15W-40 CK-4 Doesn’t Meet Spec by Thomas F. Glenn The Petroleum Quality Institute of America received a number of phone calls and emails recently with questions, comments, and opinions about the claim Shell is publicly making that through its testing, Shell “discovered that a… Read More ›

Shell Claims a Sample of Delvac 1300 Super 15W-40 CK-4 Doesn't Meet Spec

July 2, 2018 Shell Claims a Sample of Delvac 1300 Super 15W-40 CK-4 Doesn’t Meet Spec by Thomas F. Glenn The Petroleum Quality Institute of America received a number of phone calls and emails recently with questions, comments, and opinions about the claim Shell is publicly making that through its testing, Shell “discovered that a… Read More ›

PQIA Issues Consumer Alerts on Two ATFs

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 ›

Motor Oil Specifications – The Process of Change

  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 ›

Consumer Alerts Issued on Five Motor Oils

The Petroleum Quality Institute of America (PQIA) continues to observe two brands of motor oils in the market that consumers should watch out for and steer clear of. The brands are: Mileage 365 Q Motor Oil The result of the tests conducted on samples of these brands show products that can cause harm to virtually any… Read More ›

Results in on Three 5W-20s and Three 5W-30s

  The Petroleum Quality Institute of America tested three brands of SAE 5W-20 and three brands of SAE 5W-30 motor oil. The results of the tests conducted on samples of the brands meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories…. Read More ›

Results in on Three 5W-20s and Three 5W-30s

  The Petroleum Quality Institute of America tested three brands of SAE 5W-20 and three brands of SAE 5W-30 motor oil. The results of the tests conducted on samples of the brands meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product label, and are consistent with the listed API Service Categories…. Read More ›

Antifreeze: What's the Difference?

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 ›

Antifreeze: What’s the Difference?

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 ›