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International Automotive Technicians Network
Re: New old stock oil
Posted to Technical Discussion Forum on 2/9/2020

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Most of the European Proprietary service ratings, until recently, required a minimum 3.5 cP HTS viscosity @ 302F/150C. The minimum for both SAE 30 and SAE 40 was, until fairly recently, only 2.9 cP H... Login to read more.