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The Effects of Lubricant Composition on S.I. Engine Wear With Alcohol Fuels
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Abstract
An investigation of the effects of lubricant composition changes on spark ignition engine wear and deposits when using alcohol fuel was jointly sponsored by the U.S. Department of Energy and the U.S. Army Mobility Equipment Research and Development Command. In the work covered by this paper, tests were conducted with methanol fuel in a 2.3-liter engine using a modified ASTM Sequence V-D procedure. The baseline lubricant was a 10W-30 grade product, qualified under MIL-L-46152, for which a large amount of field and laboratory data were available. Eleven variations of the baseline lubricant were supplied and tested. The results indicate that a magnesium-based detergent additive was less effective in controlling methanol-related engine wear than was a calcium-based additive. Ashless dispersant chemistry was also determined to be of importance in controlling wear with methanol fuel. Experiments were conducted to identify the wear mechanism using the 2.3-liter engine, 20-hour steady-state test. This 20-hour test shows promise as a lubricant screening procedure when using methanol fuel.
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Authors
- H. W. Marbach - U.S. Army Fuels and Lubricants Research Laboratory Southwest Research Institute
- E. A. Frame - U.S. Army Fuels and Lubricants Research Laboratory Southwest Research Institute
- E. C. Owens - U.S. Army Fuels and Lubricants Research Laboratory Southwest Research Institute
- D. W. Naegeli - U.S. Army Fuels and Lubricants Research Laboratory Southwest Research Institute
- B. D. Wielgos
Citation
Marbach, H., Frame, E., Owens, E., Naegeli, D. et al., "The Effects of Lubricant Composition on S.I. Engine Wear With Alcohol Fuels," SAE Technical Paper 831702, 1983, https://doi.org/10.4271/831702.Also In
References
- Owens, E.G. Marbach, H.W. Jr. Frame, E.A. Ryan T.W. III “Effects of Alcohol Fuels on Engine Wear,” U.S. Army Fuels and Lubricants Research Laboratory, Interim Report AFLRL No. 133 October 1980
- Marbach, H.W. Jr. Owens E.C. Ryan T.W. III Frame E.A. Naegeli D.W. “Evaluation of the Effects of Alcohol Fuels on Spark Ignition Engine Wear” U.S. Army Fuels and Lubricants Research Laboratory, Final Report AFLRL No. 150 December 1981
- Owens E.C. “Methanol-Fuel Effects on Spark Ignition Lubrication and Wear,” International Symposium on Alcohol Fuel-Technology-Methanol and Ethanol Wolfsburg, Germany November 1977
- Owens E.C. Marbach, H. W. Jr. Frame E. A. Ryan T. W. “B-66 Lubrication Requirements for Alcohol-Fueled Spark Ignition Engines,” IV International Symposium on Alcohol Fuels Technology Guaruja, Brazil Oct 1980
- Owens E.C. Marbach, H. W. Jr. Frame E. A. Ryan T. W. III “Effects of Alcohol Fuels on Engine Wear,” SAE Preprint 800857 June 1980
- Marbach, H. W. Jr. Frame E. A. Owens E.C. Naegeli D.W. “The Effects of Alcohol Fuels and Fully Formulated Lubricants on Engine Wear,” SAE Paper 811199 October 1981
- Ryan, T.W. III Naegeli D.W. Owens E.C. Marbach, H.W. Jr. Barbee J.G. “The Mechanisms Leading to Increased Wear in Methanol Fueled SI Engines,” SAE paper 811200 , Society of Automotive Engineers October 1981
- Alcohol Week 4 31 August 1 1983
- Chui G.K. Millard D.H.T. “Development & Testing of Crankcase Lubricants for Alcohol Fueled Engines,” SAE paper 811203 October 1981
- Chui G.K. King E.T. Pedrys F. “Evaluation of Lubricants for Methanol-Fueled Engines,” The Proceedings of the Fifth Symposium on Alcohol Fuel Technology Auckland, New Zealand May 1982
- Chaibongsai S. Howlett B.J. Millard D.H.T. “Development of a Engine Screening Test to Study the Effects of Methanol Fuel on Crankcase Oils,” SAE paper 830240 February 1983
- Marbach, H.W. Jr. Owens E.C. Frame E.A. “Technical Support For Resolving Wear Problems In Alcohol-Fueled Engines,” Report No. SwRI-7152/1 March 1983
- Monthly Progress Report, August 1980 on Basic and Applied Fuels and Lubricants Research U.S. Army Fuels and Lubricants Research Laboratory, Contract No. DAAK70-80-C-0001
- Monthly Progress Report, August 1981 on Basic and Applied Fuels and Lubricants Research U.S. Army Fuels and Lubricants Research Laboratory, Contract No. DAAK70-80-C-0001
- Chui G.K. King E.T. Groff W.P. “Modified Sequence V-D Test with Two Engines Using Alcohol Fuels,” SAE paper 830239 February 1983
- DeJorine J.M. Drake D.A. Mays M.A. “Test Stand Evaluation of Commercial Lubricants With Methanol and Tertiary Butyl Alcohol Blends,” SAE paper 830242 February 1983