ASTM-D7320 2007

$63.38

D7320-07 Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence IIIG, Spark-Ignition Engine

Published By	Publication Date	Number of Pages
ASTM	2007	46

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Category: ASTM

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Description

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 1Companion test methods used to evaluate engine oil performance for specification requirements are discussed in SAE J304.

1.2 The values stated in SI units shall be regarded as the standard. The values given in parentheses are provided for information purposes only. The only exception is 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:

PDF Catalog

PDF Pages	PDF Title
1	Scope
3	Referenced Documents Terminology
5	Summary of Test Method
6	Significance and Use Apparatus
8	Reagents and Materials
9	Test Oil Sample Requirements Preparation of Apparatus
13	FIG. 1
16	Calibration
19	Engine Operating Procedure
21	Determination of Test Results
24	Report Precision and Bias Keywords TABLE 1
25	A1. THE ROLE OF THE ASTM TEST MONITORING CENTER AND THE CALIBRATION PROGRAM A1.1 Nature and Functions of the ASTM Test Monitoring Center (TMC) A1.2 Rules of Operation of the TMC A1.3 Management of the TMC A1.4 Operating Income of the TMC A1.5 Conducting a Reference Oil Test A1.6 New Laboratories A1.7 Introducing New Sequence IIIG Reference Oils A1.8 TMC Information Letters
26	A1.9 TMC Memoranda A1.10 Precision Data A2. SEQUENCE IIIG TEST PARTS REPLACEMENT GUIDELINES A2.1 TABLE A2.1
27	TABLE A2.2
29	A3. SEQUENCE IIIG DETERMINATION VOLUME OF ENGINE OIL IN PAN A3.1 TABLE A3.1
30	FIG. A3.1
31	A4. SEQUENCE IIIG TEST FUEL ANALYSIS TABLE A4.1
32	A5. SEQUENCE IIIG TEST REPORT FORMS AND DATA DICTIONARY A5.1 TABLE A5.1
33	A6. AIR-TO-FUEL RATIO CONTROL FLOW CHART FIG. A6.1
34	TABLE A6.1
35	FIG. A6.2
36	A7. SEQUENCE IIIG TEST SET POINTS AND CONTROL STATES TABLE A7.1
37	FIG. A7.1 FIG. A7.1
38	A8. SEQUENCE IIIG QUALITY INDEX UPPER AND LOWER VALUES TABLE A8.1 TABLE A8.2 TABLE A8.3
39	A9. ENGINE OIL LEVEL WORK SHEET A10. BLOWBY FLOW RATE DETERMINATION TABLE A10.1 FIG. A9.1
41	A11. SAFETY HAZARDS A11.1 General Information A12. SEQUENCE IIIG BLUEPRINT LISTING TABLE A12.1
42	A13. FLUID CONDITION MODULE COMPONENTS TABLE A13.1
43	A14. ENGINE BUILD WORKSHEETS FIG. A14.1
44	FIG. A14.2
45	X1. SEQUENCE IIIGA TEST PROCEDURE X1.1 Overview X1.2 Preparation of Apparatus X1.3 Calibration X1.4 Test Procedure X1.5 End-of-Test Oil Sample Testing X1.6 Quality Index X1.7 Test Reporting X1.8 Precision and Bias
46	TABLE X1.1

Additional information

Drawings	6.2
Engine Oil Quality Testing (100 h)	11.15
Status of Non-Reference Oil Tests Relative to Reference Oil Test	10.6
System Time Response	10.8.9
Reporting of Reference Oil Test Results	10.4
Blowby Flow Rate Determination	Annex A10
Engine Front Cover	9.21
Pressure	10.8.4
Cylinder Head Assembly	9.25
Engine Oil-Cooling System	6.10
Air-to-Fuel Ratio Determination	6.14
Ignition System	9.38
Preparation of Parts for Rating of Sticking, Deposits, and Plugging	12.3
Sequence IIIG Blueprint Listing	Annex A12
Significance and Use	5
Crankshaft End Play	9.17
Accessory Drive Units	9.40
Harmonic Balancer	9.19
Torques for Miscellaneous Bolts, Studs, and Nuts	9.7.4.3
Test Oil Charging	9.49
Engine Speed and Load Control	6.5
Sequence IIIG Test Parts Replacement Guidelines	Annex A2
Engine Operating Procedure	11
Fluid Condition Module components	Annex A13
Coolant Mixing Tank	6.8
Coolant Outlet Adapter	9.35
Condenser Cleaning	9.1
Data Acquisition and Control	10.8
Oil Sample Valve	9.37
Apparatus	6
Main Bearings	9.14
Fuel System	6.11
Post-Test Camshaft and Lifter Wear Measurements	12.5
Sequence IIIG Test Set Points and Control States	Annex A7
Hydraulic Valve Lifters	9.28
Laboratory and Engine Test Stand Calibration	10.1
Sample Rate	10.8.1
Intake Manifold Cleaning	9.2
Throttle Body	9.39
Rocker Covers	9.32
Introduction
Data Recording	11.13
Exhaust Manifolds, Water-Cooled	9.41
Scope	1
Report	13
General Information	9.7.1
Photographs of Test Parts	12.10
Calibration	10
Lifting of Assembled Engines	9.44
Blow by Flow Rate Measurement	6.16
Special Parts	9.7.2
Dipstick and Hole Plug	11.1
Testing Oil Samples for Wear Metals	12.7
Sequence IIIG Engine Oil Level Worksheet	Annex A9
Injector Flow Testing	6.14.1
Condenser	9.34
Connecting Rod Bearings	9.20
Crankshaft Installation	9.14.1
Blowby Flow Rate Measurement	11.11
Engine Oil Pump Priming	9.50
Determination of Operational Validity	12.13
Speed	10.8.6
Test Oil Sample Requirements	8
Coolant Inlet Adapter	9.22
Main Bearing Cap Installation	9.14.2
Sequence IIIGA Test Procedure	Appendix X1
Reagents and Materials	7
Pressure Checking of Engine Coolant System	9.43
Temperature	10.8.3
Keywords	15
Exhaust and Exhaust Back Pressure Systems	6.15
Evaluation of Reference Oil Test Results	10.5
Test Termination	11.16
Engine Start-up and Shutdown Procedures	11.3
Pressure Measurement and Sensor Location	6.17
Induction Air Supply Humidity, Temperature, and Pressure	6.12
Cylinder Head Cleaning	9.6
Safety Hazards	Annex A11
Engine Block Cleaning	9.5
Status of Test Stands Used for Non-Standard Tests	10.7
Adjustment of Valve Spring Loads	9.26
Crankshaft Sprocket	9.15
Measurement Resolution	18.8.8
Engine Block Preparation	9.9
External Cooling System Cleaning	9.46
Specified Equipment	6.3
Parts Replacement	9.8
Engine Disassembly	12.2
Severity Adjustments	12.12
Engine Coolant Jacket Cleaning (Flushing)	9.47
Test Engine	6.4
Load	10.8.7
Scheduled Shutdown	11.5
Camshaft Installation	9.13
Sequence IIIG Determination Volume of Engine Oilin Pan	Annex A3
Referenced Documents	2
Oil Consumption Computation	12.9
Non-Scheduled Shutdowns	11.6
Mounting the Engine on the Test Stand	9.45
Initial run (10 min)	11.14
Hardware Information	9.7.3
Oil Pan	9.24
Deviations from Test Operational Limits	13.4
Engine and Condenser Coolant	7.2
Cylinder Head Bolts	9.7.4.2
Use of SI Units	13.2
Camshaft Sprocket and Timing Chain	9.16
	Section
Cleaning of Engine Parts (other than the block and heads)	9.3
Piston Installation	9.18.1
Pushrods	9.29
Sequence IIIG Quality Index Upper and Lower Values	Annex A8
Coolant Additive	7.3
Engine Parts	6.4.1
Intake Manifold	9.31
Laboratory	6.1
Coolant Charging	9.48
Test Fuel	7.1
Reference Oil Test Frequency	10.3
Oil Filter Adapter	9.36
Oil Dipstick Hole	9.23
Retention of Representative Test Parts	12.11
Engine Cooling System	6.6.1
Summary of Test Method	4
Blowby Flow Rate Measurements	12.8
Fluid Conditioning Module	6.6
Quality Index	10.8.10
Sealing and Anti-seize Compounds	7.6
Testing of Reference Oils	10.2
Connecting Rod Cleaning	9.4
Precision and Bias	14
Pre-Test Cleaning Materials	7.5
Precision of Reported Units	13.3
Valve Train Loading	9.30
Flushing Tank	6.7
Piston Pin Installation	9.18
Piston Fitting and Numbering	9.10
Dipstick Hole O-ring	11.2
The Role of the ASTM Test Monitoring Center (TMC) and the Calibration Program	Annex A1
Engine Flywheel	9.42
Pre-Test Camshaft and Lifter Measurements	9.11
Piston Deposit Rating	12.4
Flow	10.8.5
Oil Sampling	11.7
Sequence IIIG Test Reporting	Annex A5
Report Forms	13.1
Condenser Cooling Systems	6.9
Oil Leveling	11.8
Air-to-Fuel-Ratio Measurement and Control	11.9
Temperature Measurement	6.13
Engine Build Worksheets	Annex A14
Water Inlet Adapter	9.33
Main Bearing Cap Bolts	9.7.4.1
Measurement Accuracy	10.8.2
Preparation of Apparatus	9
Piston Ring Fitting	9.10.1
Camshaft Bearing Installation	9.12
Terminology	3
Cylinder Head Installation	9.27
Engine Build-up Procedure	9.7
NOx Determinations	11.12
Coolant Preparation	7.4
Sequence IIIG Test Air-to-Fuel Ratio Control Flow Chart	Annex A6
Fastener Torque Specifications and Torquing Procedures	9.7.4
Air-to-Fuel Ratio Verification	11.10
Viscosity Test	12.6
Thermocouple Location	6.13.1
Determination of Test Results	12
Start-up	11.4
Sequence IIIG Test Fuel Analysis	Annex A4

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