What does 5W-30 actually mean?
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The "W" in Viscosity Grade (Like 5W-30) stands for ".............?" — G A M C O
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SAE Grades-Oil Viscosity | PDF
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PitStop - Fact Fridays: What do the numbers on your motor oil mean? The numbers represent the viscosity of the oil and the W stands for WINTER. In a 5W-40 for example,
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What Does 5W-30 Mean? Engine Oil Grades Explained | Feb 2023
