Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIF, Spark-Ignition Engine

SIGNIFICANCE AND USE
5.1 This test method was developed to evaluate automotive engine oils for protection against oil thickening and engine wear during moderately high-speed, high-temperature service.  
5.2 The increase in oil viscosity obtained in this test method indicates the tendency of an oil to thicken because of oxidation. In automotive service, such thickening can cause oil pump starvation and resultant catastrophic engine failures.  
5.3 The deposit ratings for an oil indicate the tendency for the formation of deposits throughout the engine, including those that can cause sticking of the piston rings in their grooves. This can be involved in the loss of compression pressures in the engine.  
5.4 The camshaft and lifter wear values obtained in this test method provide a measure of the anti-wear quality of an oil under conditions of high unit pressure mechanical contact.  
5.5 The test method was developed to correlate with oils of known good and poor protection against oil thickening and engine wear. Specially formulated oils that produce less than desirable results with unleaded fuels were also used during the development of this test method.  
5.6 The Sequence IIIF engine oil test has replaced the Sequence IIIE test and can be used in specifications and classifications of engine lubricating oils, such as:  
5.6.1 Specification D4485,  
5.6.2 Military Specification MIL-PRF-2104, and  
5.6.3 SAE Classification J183.
SCOPE
1.1 This test method covers an engine test procedure for evaluating automotive engine oils for certain high-temperature performance characteristics, including oil thickening, varnish deposition, oil consumption, as well as engine wear. Such oils include both single viscosity grade and multiviscosity grade oils that are used in both spark-ignition, gasoline-fueled engines, as well as in diesel engines.
Note 1: Companion test methods used to evaluate engine oil performance for specification requirements are discussed in SAE J304.  
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—The values stated in inches for ring gap measurements are to be regarded as standard, and where there is no direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or single source supply equipment specifications.  
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 requirements prior to use.  
1.4 This test method is arranged as follows:    
Subject  
Section  
Scope  
1  
Referenced Documents  
2  
Terminology  
3  
Summary of Test Method  
4  
Significance and Use  
5  
Apparatus  
6  
Laboratory  
6.1  
Drawings  
6.2  
Specified Equipment  
6.3  
Test Engine  
6.4  
Engine Parts  
6.4.1  
Engine Speed and Torque Control  
6.5  
Sequence IIIF Fluid Conditioning Module  
6.6  
Engine Cooling System  
6.6.1  
Flushing Tank  
6.7  
Coolant Mixing Tank  
6.8  
Condenser Cooling Systems  
6.9  
Engine Oil-Cooling System  
6.10  
Fuel System  
6.11  
Induction Air Supply Humidity, Temperature, and Pressure  
6.12  
Temperature Measurement  
6.13  
Thermocouple Location  
6.13.1  
Air-to-Fuel Ratio Determination  
6.14  
Injector Flow Testing  
6.14.1  
Exhaust and Exhaust Back Pressure Systems  
6.15  
Blowby Flow Rate Measurement  
6.16  
Pressure Measurement and Pressure Sensor Location  
6.17  
Reagents and Materials  
7  
Test Fuel  
7.1  
Engine and Condenser Coolant  
7.2  
Coolant Additive  
7.3  
Coolant Preparation  
7.4  
Pre-Test Cleaning Materials  
7.5  
Sealing and Anti-seize Compounds  
7.6  
Test Oil Sample Requirements  ...

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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D6984 − 16a
Standard Test Method for
Evaluation of Automotive Engine Oils in the Sequence IIIF,
1
Spark-Ignition Engine
This standard is issued under the fixed designation D6984; 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
Portions of this test method are written for use by laboratories that make use of ASTM Test
2
Monitoring Center (TMC) services (see Annex A1 – Annex A4).
TheTMC provides reference oils, and engineering and statistical services to laboratories that desire
to produce test results that are statistically similar to those produced by laboratories previously
calibrated by the TMC.
In general, the Test Purchaser decides if a calibrated test stand is to be used. Organizations such as
theAmerican Chemistry Council require that a laboratory utilize theTMC services as part of their test
registration process. In addition, the American Petroleum Institute and the Gear Lubricant Review
Committee of the Lubricant Review Institute (SAE International) require that a laboratory use the
TMC services in seeking qualification of oils against their specifications.
The advantage of using the TMC services to calibrate test stands is that the test laboratory (and
hence the Test Purchaser) has an assurance that the test stand was operating at the proper level of test
severity. It should also be borne in mind that results obtained in a non-calibrated test stand may not
be the same as those obtained in a test stand participating in the ASTM TMC services process.
Laboratories that choose not to use the TMC services may simply disregard these portions.
1. Scope* 1.2.1 Exceptions—The values stated in inches for ring gap
measurements are to be regarded as standard, and where there
1.1 This test method covers an engine test procedure for
is no direct SI equivalent such as screw threads, National Pipe
evaluating automotive engine oils for certain high-temperature
Threads/diameters, tubing size, or single source supply equip-
performance characteristics, including oil thickening, varnish
ment specifications.
deposition, oil consumption, as well as engine wear. Such oils
1.3 This standard does not purport to address all of the
include both single viscosity grade and multiviscosity grade
oils that are used in both spark-ignition, gasoline-fueled safety concerns, if any, associated with its use. It is the
responsibility of the user of this standard to establish appro-
engines, as well as in diesel engines.
priate safety and health practices and determine the applica-
NOTE 1—Companion test methods used to evaluate engine oil perfor-
mance for specification requirements are discussed in SAE J304.
bility of regulatory requirements prior to use.
1.4 This test method is arranged as follows:
1.2 The values stated in SI units are to be regarded as
standard. No other units of measurement are included in this Subject Section
Scope 1
standard.
Referenced Documents 2
Terminology 3
Summary of Test Method 4
Significance and Use 5
1
This test method is under the jurisdiction of ASTM Committee D02 on
Apparatus 6
Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of
Laboratory 6.1
Subcommittee D02.B0.01 on Passenger Car Engine Oils.
Drawings 6.2
Current edition approved Oct. 1, 2016. Published October 2016. Originally Specified Equipment 6.3
approved in 2003. Last previous edition approved in 2016 as D6984 – 16. DOI: Test Engine 6.4
Engine Parts 6.4.1
10.1520/D6984-16A.
2
Engine Speed and Torque Control 6.5
Until the next revision of this test method, the ASTM Test Monitoring Center
Sequence IIIF Fluid Conditioning Module 6.6
will update changes in the test method by means of information letters. Information
Engine Cooling System 6.6.1
lettersmaybeobtainedfromtheASTMTestMonitoringCenter,6555PennAvenue,
Flushing Tank 6.7
Pittsburgh, PA 15206-4489. Attention: Administrator. www.astmtmc.cmu.edu. This
Coolant Mixing Tank 6.8
edition incorporates revisions contained in all information letters through 16–2.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6984 − 16a
Subject Section Subject Section
Condenser Cooling Systems 6.9 Engine Oil Pump Priming 9.50
Engine Oil-Cooling System 6.10 Calibration 10
Fuel System 6.11 Laboratory and Engine Test Stand Calibration 10.1
Induction Air Supply Humidity, Temperature, and Pressure 6.12 Testing of Reference Oils 10.2
Temperature Measurement 6.13 Referenc
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM 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: D6984 − 16 D6984 − 16a
Standard Test Method for
Evaluation of Automotive Engine Oils in the Sequence IIIF,
1
Spark-Ignition Engine
This standard is issued under the fixed designation D6984; 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
Portions of this test method are written for use by laboratories that make use of ASTM Test
2
Monitoring Center (TMC) services (see Annex A1Annex A1 – Annex A4).
The TMC provides reference oils, and engineering and statistical services to laboratories that desire
to produce test results that are statistically similar to those produced by laboratories previously
calibrated by the TMC.
In general, the Test Purchaser decides if a calibrated test stand is to be used. Organizations such as
the American Chemistry Council require that a laboratory utilize the TMC services as part of their test
registration process. In addition, the American Petroleum Institute and the Gear Lubricant Review
Committee of the Lubricant Review Institute (SAE International) require that a laboratory use the
TMC services in seeking qualification of oils against their specifications.
The advantage of using the TMC services to calibrate test stands is that the test laboratory (and
hence the Test Purchaser) has an assurance that the test stand was operating at the proper level of test
severity. It should also be borne in mind that results obtained in a non-calibrated test stand may not
be the same as those obtained in a test stand participating in the ASTM TMC services process.
Laboratories that choose not to use the TMC services may simply disregard these portions.
1. Scope*
1.1 This test method covers an engine test procedure for evaluating automotive engine oils for certain high-temperature
performance characteristics, including oil thickening, varnish deposition, oil consumption, as well as engine wear. Such oils
include both single viscosity grade and multiviscosity grade oils that are used in both spark-ignition, gasoline-fueled engines, as
well as in diesel engines.
NOTE 1—Companion test methods used to evaluate engine oil performance for specification requirements are discussed in SAE J304.
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—The values stated in inches for ring gap measurements are to be regarded as standard, and where there is no
direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or single source supply equipment
specifications.
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
requirements prior to use.
1.4 This test method is arranged as follows:
Subject Section
Scope 1
Referenced Documents 2
Terminology 3
1
This test method is under the jurisdiction of ASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of Subcommittee
D02.B0.01 on Passenger Car Engine Oils.
Current edition approved April 1, 2016Oct. 1, 2016. Published April 2016October 2016. Originally approved in 2003. Last previous edition approved in 20152016 as
D6984 – 15.D6984 – 16. DOI: 10.1520/D6984-16.10.1520/D6984-16A.
2
Until the next revision of this test method, the ASTM Test Monitoring Center will update changes in the test method by means of information letters. Information letters
may be obtained from the ASTM Test Monitoring Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489. Attention: Administrator. www.astmtmc.cmu.edu. This edition
incorporates revisions contained in all information letters through 15–2.16–2.
*A Summary of Changes section appears at the end of this standard
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6984 − 16a
Subject Section
Summary of Test Method 4
Significance and Use 5
Apparatus 6
Laboratory 6.1
Drawings 6.2
Specified Equipment 6.3
Test Engine 6.4
Engine Parts 6.4.1
Engine Speed and Torque Control 6.5
Sequence IIIF Fluid Conditioning Module 6.6
Engine Cooling System 6
...

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