ASTM D7589-11
(Test Method)Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VID Spark Ignition Engine
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VID Spark Ignition Engine
SIGNIFICANCE AND USE
Test Method—The data obtained from the use of this test method provide a comparative index of the fuel-saving capabilities of automotive engine oils under repeatable laboratory conditions. A BL has been established for this test to provide a standard against which all other oils can be compared. The BL oil is an SAE 20W-30 grade fully formulated lubricant. The test procedure was not designed to give a precise estimate of the difference between two test oils without adequate replication. The test method was developed to compare the test oil to the BL oil. Companion test methods used to evaluate engine oil performance for specification requirements are discussed in the latest revision of Specification D4485.
Use—The Sequence VID test method is useful for engine oil fuel economy specification acceptance. It is used in specifications and classifications of engine lubricating oils, such as the following:
Specification D4485.
API 1509.
SAE Classification J304.
SAE Classification J1423.
SCOPE
1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a specified spark-ignition engine with a displacement of 3.6 L (General Motors) on a dynamometer test stand. It applies to multi viscosity grade oils used in these applications.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exceptions—Where there is no direct equivalent such as the units for screw threads, National Pipe threads/diameters, tubing size, and single source supply equipment specifications. Additionally, Brake Fuel Consumption (BSFC) is measured in kilograms per kilowatthour.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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Designation: D7589 – 11
Standard Test Method for
Measurement of Effects of Automotive Engine Oils on Fuel
Economy of Passenger Cars and Light-Duty Trucks in
,
1 2
Sequence VID Spark Ignition Engine
This standard is issued under the fixed designation D7589; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This test method can be used by any properly equipped laboratory without outside assistance.
3
However, the ASTM Test Monitoring Center (TMC) provides reference oils and assessment of the
test results obtained on those oils by the laboratory (seeAnnexA1). By this means, the laboratory will
know whether their use of this test method gives results statistically similar to those obtained by other
laboratories. Furthermore, various agencies require that a laboratory utilize the TMC services in
seeking qualification of oils against specifications. For example, the American Petroleum Institute
(API) imposes such a requirement, in connection with several U.S. Army engine lubricating oil
specifications. Accordingly, this test method is written for use by laboratories that utilize the TMC
services. Laboratories that choose not to use those services may simply ignore those portions of this
test method that refer to theTMC.This test method may be modified by means of Information Letters
issued by the TMC. In addition, the TMC may issue supplementary memoranda related to this test
method. Users of this test method shall contact the TMC,Attention:Administrator, to obtain the most
recent of these information letters.
1. Scope 1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this
1.1 This test method covers an engine test procedure for the
standard.
measurement of the effects of automotive engine oils on the
1.2.1 Exceptions—Where there is no direct equivalent such
fuel economy of passenger cars and light-duty trucks with
as the units for screw threads, National Pipe threads/diameters,
gross vehicle weight 3856 kg or less. The tests are conducted
tubing size, and single source supply equipment specifications.
using a specified spark-ignition engine with a displacement of
4
Additionally, Brake Fuel Consumption (BSFC) is measured in
3.6 L (General Motors) on a dynamometer test stand. It
kilograms per kilowatthour.
applies to multi viscosity grade oils used in these applications.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
1
This test method is under the jurisdiction of ASTM Committee D02 on
priate safety and health practices and determine the applica-
Petroleum Products and Lubricants and is the direct responsibility of Subcommittee
bility of regulatory limitations prior to use.
D02.B0.10 on Standards Acceleration.
1.4 This test method is arranged as follows:
Current edition approved May 1, 2011. Published June 2011. Originally
approved in 2009. Last previous edition approved in 2010 as D7589–10.
Subject Section
DOI:10.1520/D7589-11.
Introduction
2
The multi-cylinder engine test sequences were originally developed by an
Scope 1
ASTM Committee D02 group. Subsequently, the procedures were published in an Referenced Documents 2
ASTM special technical publication. The Sequence VIB was published as Research Terminology 3
Summary of Test Method 4
Report RR:D02-1469, dated April 8, 1999.
3
Significance and Use 5
TheASTM Test Monitoring Center will update changes in this test method by
Apparatus 6
means of Information Letters. This edition includes all information letters through
General 6.1
No. 10-3. Information letters may be obtained from the ASTM Test Monitoring
Test Engine Configuration 6.2
Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489, Attention: Administrator.
4 Laboratory Ambient Conditions 6.3
Trademark of General Motors Corporation, 300 Renaissance Center, Detroit,
Engine Speed and Torque Control 6.4
MI 48265.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D7589 – 11
Subject Section Subject Section
Dynamometer 6.4.1 Reporting of Reference Results 10.1.2
Dynamometer Torque 6.4.2 Analysis of Reference/Calibration Oils 10.1.3
Engine Cooling System 6.5 Instrument Calibration 10.2
External Oil System 6.6 Engine Torque Measurement System 10.2.1
Fuel System 6.7 Fuel Flow Measurement System 10.2.2
Fuel Flow Measurement 6.7.2 Coolant Flow Measurement System 10.2.3
Fuel Temperature and Pre
...
This document is not anASTM standard and is intended only to provide the user of anASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation:D7589–10 Designation: D7589 – 11
Standard Test Method for
Measurement of Effects of Automotive Engine Oils on Fuel
Economy of Passenger Cars and Light-Duty Trucks in
,
1 2
Sequence VID Spark Ignition Engine
This standard is issued under the fixed designation D7589; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
INTRODUCTION
This test method can be used by any properly equipped laboratory without outside assistance.
3
However, the ASTM Test Monitoring Center (TMC) provides reference oils and assessment of the
test results obtained on those oils by the laboratory (seeAnnexA1). By this means, the laboratory will
know whether their use of this test method gives results statistically similar to those obtained by other
laboratories. Furthermore, various agencies require that a laboratory utilize the TMC services in
seeking qualification of oils against specifications. For example, the American Petroleum Institute
(API) imposes such a requirement, in connection with several U.S. Army engine lubricating oil
specifications. Accordingly, this test method is written for use by laboratories that utilize the TMC
services. Laboratories that choose not to use those services may simply ignore those portions of this
test method that refer to theTMC.This test method may be modified by means of Information Letters
issued by the TMC. In addition, the TMC may issue supplementary memoranda related to this test
method. Users of this test method shall contact the TMC,Attention:Administrator, to obtain the most
recent of these information letters.
1. Scope
1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel
economy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a
4
specified spark-ignition engine with a displacement of 3.6 L (General Motors) on a dynamometer test stand. It applies to multi
viscosity grade oils used in these applications.
1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.2.1 Exceptions—Where there is no direct equivalent such as the units for screw threads, National Pipe threads/diameters,
tubing size, and single source supply equipment specifications. Additionally, Brake Fuel Consumption (BSFC) is measured in
kilograms per kilowatthour.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory
limitations prior to use.
1.4 This test method is arranged as follows:
Subject Section
Introduction
Scope 1
Referenced Documents 2
1
This test method is under the jurisdiction ofASTM Committee D02 on Petroleum Products and Lubricants and is the direct responsibility of Subcommittee D02.B0.10
on Standards Acceleration.
Current edition approved Oct. 1, 2010. Published November 2010. Originally approved in 2009. Last previous edition approved in 2009 as D7589–09.
DOI:10.1520/D7589-10.
Current edition approved May 1, 2011. Published June 2011. Originally approved in 2009. Last previous edition approved in 2010 as D7589–10. DOI:10.1520/D7589-11.
2
The multi-cylinder engine test sequences were originally developed by an ASTM Committee D02 group. Subsequently, the procedures were published in an ASTM
special technical publication. The Sequence VIB was published as Research Report RR:D02-1469, dated April 8, 1999.
3
The ASTM Test Monitoring Center will update changes in this test method by means of Information Letters. This edition includes all information letters through No.
10-1.10-3. Information letters may be obtained from the ASTM Test Monitoring Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489, Attention: Administrator.
4
Trademark of General Motors Corporation, 300 Renaissance Center, Detroit, MI 48265.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1
---------------------- Page: 1 ----------------------
D7589 – 11
Subject Section
Terminology 3
Summary of Test Method 4
Significance and Use 5
Apparatus 6
General 6.1
Test Engine Configuration 6.2
Laborato
...
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