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Reply to "Are Viscosity Index Improver Polymers all that bad?"

You guys are working with typical numbers for the oil viscosities. The J-300 specs are wide enough that you could easily see the sort of apparent anomalies noted in this string for products that are on-spec.

Just as today's weather is not the climate and today's lunch is not my diet, the typical inspection numbers provided on product data sheets are an average that may bear only passing resemblance to the properties of the quarts you bought from Manny, Moe & Jack.
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