Heavy Duty Trucking, December 2020
Phillips 66 Guardol FE 10W 30 shows superior performance by improving AROUND THESE PARTS fuel economy without sacrificing wear protection In multiple lab and on road tests running nearly a million miles parts pulled from engines protected by Guardol FE looked like new compared to a leading competitors oil See the results for yourself at LowerViscoCity com Phillips 66 Company Phillips 66 and its respective logos and products are registered trademarks of Phillips 66 Company in the USA and other countries BL P66 203292
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