Valvoline

By Heather Burlingame | September 28, 2010

Premium Blue Extreme synthetic engine oilPremium Blue Extreme synthetic engine oil maintains extended drain intervals—up to 100,000 miles—and helps reduce soot to keep the engine clean. It combines the ability to manage heat transfer with low-temperature viscosity for engine operation at high and low temperatures. Compared to conventional oils, the oil provides fuel-economy savings, according to the company.

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