1968-02-01

Performance Advantages from Shear Stable Crossgraded Engine Oils 680413

Recent advances in polymeric Viscosity Index improver technology have led to the development of premium quality, broadly crossgraded passenger car engine lubricants with unique physical properties. “True” SAE 10W-40 products can be made, where measured SAE 10W performance is obtained together with shear stability characteristics which enable the oil to remain in the SAE 40 viscosity range even after service in normal passenger car engines.“True” SAE 10W-40 lubricants provide oil economy characteristics significantly superior to those afforded by conventional SAE 10W-30 and SAE 10W-40 oils, and equal the performance of available SAE 20W-50 oils, while also offering excellent low temperature cranking and starting ability. Positive benefits of improved engine hot starting capability and reduced engine noise levels are also provided.

SAE MOBILUS

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