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A Laboratory Engine Test Study of Motor Oil Flow Properties in Winter Service
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English
Abstract
Laboratory engine low temperature pumpability test programs have been completed with two four cylinder gasoline engines. Both of these engines are reported to have been involved in low temperature field failures in recent years. Hardware and oil formulation effects have been studied and shown to have a significant impact on low temperature operability. Three commercially available viscosity modifiers are ranked for relative pumpability performance in each engine. In addition, evidence is given to explain the reasons for the field failures that occurred in these two engines.
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Citation
Johnson, R., "A Laboratory Engine Test Study of Motor Oil Flow Properties in Winter Service," SAE Technical Paper 841387, 1984, https://doi.org/10.4271/841387.Also In
References
- Stambaugh R. L. “Engine Oil Viscosity Classification Task Force Low Temperature Report” SAE Subcommittee 2 Meeting Minutes June 9, 1981
- Stambaugh R. L. O'Mara J. H. “Low Temperature Flow Properties of Engine Oils” SAE Paper 821247 October 1982
- Shaub H. Manning R. E. Murphy C. K. Smith M. F. Jr. “Predicting Engine Oil Pumpability with the Mini Rotary Viscometer” ASTM Research Report D-2-1107 March 23 1979
- Smith M. F. Jr. “Better Prediction of Engine Oil Pumpability Through a More Effective MRV Cooling Curve” SAE Paper 831714 November 1983
- “Low Temperature Pumpability Characteristics of Engine Oils in Full-Scale Engines” ASTM Data Series Publication 57 September 1975
- Smith M. F. Jr. Graham J. P. “Pumpability of Multigrade Engine Oils at Low Temperature” SAE Paper 710139
- Stambaugh R. L. “Engine Oil Pumpability - Performance of the 2.3L Engine in Standard and Modified Cooling Curves” SAE F&L Committee Open Forum October 21, 1981