ASTM International - ASTM D7320-15

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

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Organization: ASTM International
Publication Date: 1 April 2015
Status: historical
Page Count: 52
ICS Code (Lubricants, industrial oils and related products): 75.100
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... View More

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.

1.1.1 Additionally, with nonmandatory supplemental requirements, a IIIGA Test (Mini Rotary Viscometer and Cold Cranking Simulator measurements), a IIIGVS Test (EOT viscosity increase measurement), or a IIIGB Test (phosphorous retention measurement) can be conducted. These supplemental test procedures are contained in Appendixes Appendix X1, Appendix X2, and Appendix X3, respectively.

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 Exception-Where there is no direct SI equivalent such as screw threads, national pipe threads/diameters, and tubing size.

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. Specific warning statements are provided in 6.14.1.1 and 7.1.

1.4 This test method is arranged as follows:

  Section
Introduction  
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 Load Control 6.5
 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 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 8
Preparation of Apparatus 9
 Condenser Cleaning 9.1
 Intake Manifold Cleaning 9.2
 Cleaning of Engine Parts (other than the block and heads) 9.3
 Connecting Rod Cleaning 9.4
 Engine Block Cleaning 9.5
 Cylinder Head Cleaning 9.6
 Engine Build-up Procedure 9.7
  General Information 9.7.1
  Special Parts 9.7.2
  Hardware Information 9.7.3
  Fastener Torque Specifications and Torquing Procedures 9.7.4
   Main Bearing Cap Bolts 9.7.4.1
   Cylinder Head Bolts 9.7.4.2
   Torques for Miscellaneous Bolts, Studs, and Nuts 9.7.4.3
 Parts Replacement 9.8
 Engine Block Preparation 9.9
 Piston Fitting and Numbering 9.10
  Piston Ring Fitting 9.10.1
 Pre-Test Camshaft and Lifter Measurements 9.11
 Camshaft Bearing Installation 9.12
 Camshaft Installation 9.13
 Main Bearings 9.14
  Crankshaft Installation 9.14.1
  Main Bearing Cap Installation 9.14.2
 Crankshaft Sprocket 9.15
 Camshaft Sprocket and Timing Chain 9.16
 Crankshaft End Play 9.17
 Piston Pin Installation 9.18
  Piston Installation 9.18.1
 Harmonic Balancer 9.19
 Connecting Rod Bearings 9.20
 Engine Front Cover 9.21
 Coolant Inlet Adapter 9.22
 Oil Dipstick Hole 9.23
 Oil Pan 9.24
 Cylinder Head Assembly 9.25
 Adjustment of Valve Spring Loads 9.26
 Cylinder Head Installation 9.27
 Hydraulic Valve Lifters 9.28
 Pushrods 9.29
 Valve Train Loading 9.30
 Intake Manifold 9.31
 Rocker Covers 9.32
 Water Inlet Adapter 9.33
 Condenser 9.34
 Coolant Outlet Adapter 9.35
 Oil Filter Adapter 9.36
 Oil Sample Valve 9.37
 Ignition System 9.38
 Throttle Body 9.39
 Accessory Drive Units 9.40
 Exhaust Manifolds, Water-Cooled 9.41
 Engine Flywheel 9.42
 Pressure Checking of Engine Coolant System 9.43
 Lifting of Assembled Engines 9.44
 Mounting the Engine on the Test Stand 9.45
 External Cooling System Cleaning 9.46
 Engine Coolant Jacket Cleaning (Flushing) 9.47
 Coolant Charging 9.48
 Test Oil Charging 9.49
 Engine Oil Pump Priming 9.50
Calibration 10
 Laboratory and Engine Test Stand Calibration 10.1
 Testing of Reference Oils 10.2
 Reference Oil Test Frequency 10.3
 Reporting of Reference Oil Test Results 10.4
 Evaluation of Reference Oil Test Results 10.5
 Status of Non-Reference Oil Tests Relative to Reference
  Oil Test
10.6
 Status of Test Stands Used for Non-Standard Tests 10.7
 Data Acquisition and Control 10.8
  Sample Rate 10.8.1
  Measurement Accuracy 10.8.2
  Temperature 10.8.3
  Pressure 10.8.4
  Flow 10.8.5
  Speed 10.8.6
  Load 10.8.7
  Measurement Resolution 10.8.8
  System Time Response 10.8.9
  Quality Index 10.8.10
Engine Operating Procedure 11
 Dipstick and Hole Plug 11.1
 Dipstick Hole O-ring 11.2
 Engine Start-up and Shutdown Procedures 11.3
 Start-up 11.4
 Scheduled Shutdown 11.5
 Non-Scheduled Shutdowns 11.6
 Oil Sampling 11.7
 Oil Leveling 11.8
 Air-to-Fuel-Ratio Measurement and Control 11.9
 Air-to-Fuel Ratio Verification 11.10
 Blowby Flow Rate Measurement 11.11
 NOx Determinations 11.12
 Data Recording 11.13
 Initial run (10 min) 11.14
 Engine Oil Quality Testing (100 h) 11.15
 Test Termination 11.16
Determination of Test Results 12
 Engine Disassembly 12.2
 Preparation of Parts for Rating of Sticking, Deposits,
  and Plugging
12.3
 Piston Deposit Rating 12.4
 Post-Test Camshaft and Lifter Wear Measurements 12.5
 Viscosity Test 12.6
 Testing Oil Samples for Wear Metals 12.7
 Blowby Flow Rate Measurements 12.8
 Oil Consumption Computation 12.9
 Photographs of Test Parts 12.10
 Retention of Representative Test Parts 12.11
 Severity Adjustments 12.12
 Determination of Operational Validity 12.13
Report 13
 Report Forms 13.1
 Precision of Reported Units 13.2
Precision and Bias 14
Keywords 15
The Role of the ASTM Test Monitoring Center (TMC) and
 the Calibration Program
Annex A1
Sequence IIIG Test Parts Replacement Guidelines Annex A2
Sequence IIIG Determination Volume of Engine Oilin Pan Annex A3
Sequence IIIG Test Fuel Analysis Annex A4
Sequence IIIG Test Reporting Annex A5
Sequence IIIG Test Air-to-Fuel Ratio Control Flow Chart Annex A6
Sequence IIIG Test Set Points and Control States Annex A7
Sequence IIIG Quality Index Upper and Lower Values Annex A8
Sequence IIIG Engine Oil Level Worksheet Annex A9
Blowby Flow Rate Determination Annex A10
Safety Hazards Annex A11
Sequence IIIG Blueprint Listing Annex A12
Fluid Condition Module components Annex A13
Engine Build Worksheets Annex A14
Engine Oil Cooling System Schematic Annex A15
Guidelines For Hardware Subject To First In - First Out Criteria Annex A16
Sequence IIIGA Test Procedure Appendix X1
Sequence IIIGVIS Test Procedure Appendix X2
Sequence IIIGB Test Procedure Appendix X3

Document History

April 1, 2018
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2017
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
May 1, 2017
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2016
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
April 1, 2016
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2015
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
ASTM D7320-15
April 1, 2015
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2014
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2013
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
November 1, 2012
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
April 15, 2012
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2011
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
May 1, 2011
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2010
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
July 1, 2010
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
May 1, 2010
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 1, 2009
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
April 15, 2009
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
October 15, 2008
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
May 1, 2008
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
November 1, 2007
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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. The increase in oil...
May 1, 2007
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
December 1, 2006
Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine
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...
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