The results are in on five brands of 5W-20 and the tests conducted on the samples meet the SAE J300 specifications for the SAE Viscosity Grade listed on the product labels, and are consistent with the listed API Service Categories.
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| Havoline Synthetic Pro DS 5W-20 |
Phillips 66 Trop Artic 5W-20 |
Prime Guard Synthetic Blend 5W-20 |
Royal Purple Synthetic 5W-20 |
Castrol GTX 5W-20 |
ADVISORIES, CONSUMER ALERTS, AND DON’T BUYS Consumer Alert A CONSUMER ALERT is issued by PQIA when the product tested has a significant
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