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Cold Pumpability Characteristics of Engine Oils Predicted by a Bench Test
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Sector:
Event:
Fleet Week
Language:
English
Abstract
The cold pumpability characteristics of nine commercial crankcase oils were evaluated using a V-8 engine and a bench test. These nine oils included most of the SAE viscosity classifications.
The engine data were used for evaluating the ability of the bench test to predict the cold pumpability properties of crankcase oils. Additional tests were conducted to study some unusual cold pumping properties of two of the oils. One of these oils was very soak-time sensitive, while the other was found to improve in pumpability after only brief use in the test engine.
Authors
Topic
Citation
Spohn, C. and Stewart, R., "Cold Pumpability Characteristics of Engine Oils Predicted by a Bench Test," SAE Technical Paper 740541, 1974, https://doi.org/10.4271/740541.Also In
References
- Letter from Wildrick Hart, chairman of SAE Fuels and Lubricants Technical Committee, Subcommittee 2 on Engine Oils, to W. A. Wright, chairman ASTM R&D Division VII of Committee D-2 on Petroleum Products and Lubricants Feb. 5 1971
- Letter from R. M. Stewart, subsection chairman of ASTM R&D Division VII B-3 to members of the subsection Sept. 6 1973
- McMillan M. L. Murphy C. K. “The Relationship of Low-Temperature Rheology to Engine Oil Pumpability.” Published in SP-382 “Viscometry and its Application to Automotive Lubricants.” New York Society of Automotive Engineers, Inc. 1973 paper 730478
- Stewart R. M. Smith, M. F. Jr. “Proposed Laboratory Methods for Predicting the Low Temperature Pumpability Properties of Crankcase Oils.” Published in SP-382 “Viscometry and its Application to Automotive Lubricants.” New York Society of Automotive Engineers, Inc. 1973 paper 730479
- Nolf A. R. “Engine Oil Pumpability and Related Properties.” Published in SP-382 “Viscometry and its Application to Automotive Lubricants.” New York Society of Automotive Engineers, Inc. 1973 paper 730480
- Tao F. F. Waddey W. E. “Low Shear Viscometry and Cold Flow Mechanism-Engine Oils.” Published in SP-382 “Viscometry and its Application to Automotive Lubricants.” New York Society of Automotive Engineers, Inc. 1973 paper 730481
- Smith, M. F. Jr. Graham J. P. “Pumpability of Multigrade Engine Oils at Low Temperature.” SAE Transactions 80 1971 paper 710139