Does Motor Oil Influence Engine Noise? Yes, It Does!

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Article of Prof. Dr. Boris Zhmud, Head of R&D, BIZOL Germany GmbH FIGURE 1 / Acoustic spectrum of Volvo 2.5L i5 engine at 3000 rpm (gentle acceleration). BIZOL G+ motor oil with COMB LubriBoostâ„¢ technology helps reduce engine noise in the band 200 to 2000 Hz. FIGURE 2 / Acoustic spectrum of common car interior […]

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