PQIA Archives

Results in on Lucas, CITGO, and Sunoco

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. Lucas High Mileage  SAE 5W-30, API SP/ILSAC GF-6 CITGO Supergard SAE 10W-30, API SN/ILSAC GF-5 Sunoco Ultra High Mileage SAE 10W-30, API SP/ILSAC

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Test Results: Road-Tech, StarFire, and Vantage

Samples of the following three brands of motor oils were recently examined by PQIA. Click bottles for detailed assessments.  Road-Tech Synthetic BlendSAE 5W-30API SP/ILSAC GF-6A Star FireSAE 5W-30 API SP/ILSAC GF-6A Vantage Synthetic BlendSAE 10W-30API SP/ILSAC GF-6

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Test Results: JEGS, Diamond Fleet, and PennGrade

Samples of the following three brands of motor oils were recently examined by PQIA. Click bottles for detailed assessments. JEGS Full Synthetic Motor Oil 5W-30 API SN, ILSAC GF-5 Hot Shot’s Diamond Fleet SAE 15W-40 PennGrade Partial Synthetic Motor Oil SAE 5W-30

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Motor Oils for Classic and Vintage Cars

The Petroleum Quality Institute of America has from time-to-time encountered motor oils containing high levels of a multifunctional oil additive called zinc dialkyldithiophosphate (ZDDP). This additive contributes anti-wear, anti-oxidation, and corrosion inhibition properties to the oil. ZDDP has been used in motor oil formulations almost universally for decades, and oils with high levels of ZDDP are often promoted as being better suited for engines in older cars with “flat-tappet” lifters.

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PASSENGER CAR MOTOR OIL

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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