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ASTM International - ASTM D6837-13

Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine

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Organization: ASTM International
Publication Date: 1 May 2013
Status: active
Page Count: 61
ICS Code (Fuel systems): 43.060.40
significance And Use:

5.1 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... View More

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 of 3856 kg or less. The tests are conducted on a dynamometer test stand using a specified spark-ignition engine with a displacement of 4.6-L. It applies to multiviscosity grade oils used in these applications.

1.2 This test method also provides for the running of an abbreviated length test that is referred to as the VIBSJ. The procedure for VIBSJ is identical to the Sequence VIB with the exception of the items specifically listed in Annex A13. The procedure modifications listed in Annex A13 refer to the corresponding section of the Sequence VIB test method.

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3.1 Exceptions-Where there is no direct SI equivalent such as screw threads, National Pipe Threads/diameters, tubing size, or single source supply equipment specifications. Brake Specific Fuel Consumption is measured in kilograms per kilowatthour. In Figs. A2.4, A2.5, and A2.8, inch-pound units are to be regarded as standard.

1.4 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.

1.5 This test method is arranged as follows:

Subject Section
Introduction  
Scope 1
Referenced Documents 2
Terminology 3
Summary of Test Method 4
Significance and Use 5
Apparatus 6
 General 6.1
 Test Engine Configuration 6.2
 Laboratory Ambient Conditions 6.3
 Engine Speed and Torque Control 6.4
  Dynamometer 6.4.1
  Dynamometer Torque 6.4.2
 Engine Cooling System 6.5
 External Oil System 6.6
 Fuel System 6.7
  Fuel Flow Measurement 6.7.2
  Fuel Temperature and Pressure Control to
   the Fuel Flowmeter
6.7.3
  Fuel Temperature and Pressure Control to
   Engine Fuel Rail
6.7.4
 Fuel Supply Pumps 6.7.5
  Fuel Filtering 6.7.6
 Engine Intake Air Supply 6.8
  Intake Air Humidity 6.8.1
  Intake Air Filtration 6.8.2
  Intake Air Pressure Relief 6.8.3
 Temperature Measurement 6.9
  Thermocouple Location 6.9.5
 AFR Determination 6.10
 Exhaust and Exhaust Back Pressure Systems 6.11
  Exhaust Manifolds 6.11.1
  Laboratory Exhaust System 6.11.2
  Exhaust Back Pressure 6.11.3
 Pressure Measurement and Pressure Sensor
  Locations
6.12
  Engine Oil 6.12.2
  Fuel to Fuel Flowmeter 6.12.3
  Fuel to Engine Fuel Rail 6.12.4
  Exhaust Back Pressure 6.12.5
  Intake Air 6.12.6
  Intake Manifold Vacuum/Absolute Pressure 6.12.7
  Coolant Flow Differential Pressure 6.12.8
  Crankcase Pressure 6.12.9
 Engine Hardware and Related Apparatus 6.13
  Test Engine Configuration 6.13.1
  ECM/EEC (Engine Control) Module 6.13.2
  Thermostat/Orifice Plate 6.13.3
  Intake Manifold 6.13.4
  Flywheel 6.13.5
  Wiring Harnesses 6.13.6
  EGR Block-Off Plate 6.13.7
  Oil Pan 6.13.8
  Oil Pump Screen and Pickup Tube 6.13.9
  Idle Speed Control Solenoid (ISC) Block-Off
   Plate
6.13.10
  Engine Water Pump 6.13.11
  Thermostat Housing 6.13.12
  Oil Filter Adapter 6.13.13
  Fuel Rail 6.13.14
 Miscellaneous Apparatus Related to Engine
  Operation
6.14
  Timing Light 6.14.1
Reagents and Materials 7
 Engine Oil 7.1
 Test Fuel 7.2
 Engine Coolant 7.3
 Cleaning Materials 7.4
Preparation of Apparatus 8
 Test Stand Preparation 8.2
Engine Preparation 9
 Cleaning of Engine Parts 9.2
 Engine Assembly Procedure 9.3
  General Assembly Instructions 9.3.1
  Bolt Torque Specifications 9.3.2
  Sealing Compounds 9.3.3
  Harmonic Balancer 9.3.5
  Oil Pan 9.3.6
  Intake Manifold 9.3.7
  Camshaft Covers 9.3.8
  Thermostat 9.3.9
  Thermostat Housing 9.3.10
  Coolant Inlet 9.3.11
  Oil Filter Adapter 9.3.12
  Dipstick Tube 9.3.13
  Water Pump 9.3.14
  Sensors, Switches, Valves, and Positioners 9.3.15
  Ignition System 9.3.16
  Fuel Injection System 9.3.17
  Intake Air System 9.3.18
  Engine Management System (Spark and Fuel
   Control)
9.3.19
  Accessory Drive Units 9.3.20
  Exhaust Manifolds 9.3.21
  Engine Flywheel and Guards 9.3.22
  Lifting of Assembled Engines 9.3.23
  Engine Mounts 9.3.24
Calibration 10
 Stand/Engine Calibration 10.1
  Procedure 10.1.1
  Reporting of Reference Results 10.1.2
  Analysis of Reference/Calibration Oils 10.1.3
  Instrument Calibration 10.2
  Engine Torque Measurement System 10.2.1
  Fuel Flow Measurement System 10.2.2
  Coolant Flow Measurement System 10.2.3
  Thermocouple and Temperature Measurement
   System
10.2.4
  Humidity Measurement System 10.2.5
  Other Instrumentation 10.2.6
Test Procedure 11
 Preparation for Initial Start-up of New Engine 11.1
  External Oil System 11.1.1
  Flush Effectiveness Demonstration 11.1.2
  Preparation for Oil Charge 11.1.3
  Oil Charge for Coolant Flush 11.1.4
  Engine Coolant Charge for Coolant Flush 11.1.5
 Initial Engine Start-up 11.2
 Coolant Flush 11.3
 New Engine Break-In 11.4
  Oil Charge for Break-In 11.4.2
  Break-In Operating Conditions 11.4.3
 Routine Test Operation 11.5
  Start-Up and Shutdown Procedures 11.5.8
  Flying Flush Oil Exchange Procedures 11.5.9
  Test Operating Stages 11.5.10
  Stabilization to Stage Conditions 11.5.11
  Stabilized BSFC Measurement Cycle 11.5.12
  Data Logging 11.5.13
  BC Oil Flush Procedure for BC Oil Before Test
   Oil
11.5.14
 BSFC Measurement of BC Oil Before Test Oil 11.5.15
  Test Oil Flush Procedure 11.5.16
  Test Oil Aging 11.5.17
  BSFC Measurement of Aged (Phase I) Test Oil 11.5.18
  Aging Phase II 11.5.19
  BSFC Measurement of Aged (Phase II) Test Oil 11.5.21
  BC Oil Flush Procedure for BC Oil After Test Oil 11.5.22
  BSFC Measurement for BC Oil After Test Oil 11.5.23
  General Test Data Logging Forms 11.5.24
  Diagnostic Review Procedures 11.5.25
 Determination of Test Results 12
  FEI1 and FEI2 Calculations 12.1
 Final Test Report 13
  Validity Statement 13.1
  Report Format 13.2
Precision and Bias 14
 Precision 14.1
 Validity 14.2
  Test Stand Calibration Status 14.2.1
  Validity Interpretation of Deviant Operational
   Conditions
14.2.2
 Bias 14.3
Keywords 15
   
Annexes  
Role of ASTM TMC Annex A1
Detailed Specifications and Drawings of Apparatus Annex A2
Oil Heater Cerrobase Refill Procedure Annex A3
Engine Part Number Listing Annex A4
Flying Flush Checklists Annex A5
Safety Precautions Annex A6
Report Format Annex A7
Statistical Equations for Mean and Standard
 Deviations
Annex A8
Oil Sump Full Level Determination Consumption
 Measurement Calibration Procedure
Annex A9
Fuel Injector Evaluation Annex A10
Pre-test Maintenance Checklist Annex A11
Blow-by Ventilation System Requirements Annex A12
VIBSJ Abbreviated Length Test Requirements Annex A13
   
Appendix  
Procurement of Test Materials Appendix X1

Document History

ASTM D6837-13
May 1, 2013
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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...
May 1, 2010
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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 baseline...
October 1, 2009
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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...
April 15, 2009
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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...
May 1, 2006
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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 baseline...
May 1, 2006
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
November 1, 2005
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
May 1, 2005
Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
November 1, 2004
Standard Test Method for Measurement of the Effects of Automotive Engine Oils on the Fuel Economy of Passenger Cars and Light-Duty Trucks in the Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
May 1, 2004
Standard Test Method for Measurement of the Effects of Automotive Engine Oils on the Fuel Economy of Passenger Cars and Light-Duty Trucks in the Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
November 1, 2003
Standard Test Method for Measurement of the Effects of Automotive Engine Oils on the Fuel Economy of Passenger Cars and Light-Duty Trucks in the Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
November 10, 2002
Standard Test Method for Measurement of the Effects of Automotive Engine Oils on the Fuel Economy of Passenger Cars and Light-Duty Trucks in the Sequence VIB Spark Ignition Engine
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 3856 kg (8500 lb) or less gross...
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