Subject

Section

Introduction

Scope

1

Referenced Documents

2

Terminology

3

Summary of Test Method

4

Before Test Starts

4.1

Power Section Installation

4.2

Engine Operation (Break-in)

4.3

Engine Operation (Test/Samples)

4.4

Stripped Viscosity

4.5

Test Completion (BWL)

4.6

Significance and Use

5

Evaluation of Automotive oils

5.1

Stay in Grade Capabilities

5.2

Correlation of Results

5.3

Use

5.4

Apparatus

6

Test Engineering, Inc.

6.1

Fabricated or Specially Prepared Items

6.2

Instruments and Controls

6.3

Procurement of Parts

6.4

Reagents and Materials

7

Reagents

7.1

Cleaning Materials

7.2

Expendable Power Section-Related Items

7.3

Power Section Coolant

7.4

Reference Oils

7.5

Test Fuel

7.6

Test Oil Sample Requirements

8

Selection

8.1

Inspection

8.2

Quantity

8.3

Preparation of Apparatus

9

Test Stand Preparation

9.1

Conditioning Test Run on Power Section

9.2

General Power Section Rebuild Instructions

9.3

Reconditioning of Power Section After Each Test

9.4

Calibration

10

Power Section and Test Stand Calibration

10.1

Instrumentation Calibration

10.2

Calibration of AFR Measurement Equipment

10.3

Calibration of Torque Wrenches

10.4

Engine Operating Procedure

11

Run-In and Flush

11.1

Test Operating Conditions

11.2

Air-Fuel Ratio and Spark Advance

11.3

Air, Off-Gas and Blowby Measurement

11.4

Unscheduled Shutdowns

11.5

Oil Sampling and Oil Addition

11.6

Periodic Measurements

11.7

Final Oil Drain and Oil Consumption Computation

11.8

Operational Validity Criteria

11.9

Test Completion

11.10

Determination of Test Results

12

Oil Analysis

12.1

Test Bearing Weight Loss Determination

12.2

Report

13

Precision and Bias

14

Precision

14.1

Bias

14.2

Use of ASTM Rounding

15

Keywords

16

ANNEXES

Measurement of Connecting Rod Bearing Clearance and
Journal Taper

Annex A1

Measurement of Main Bearing Clearance

Annex A2

The ASTM Test Monitoring Center Calibration Program

Annex A3

Measurement of Piston-to-Sleeve Clearance

Annex A4

Control Chart Technique for a Laboratory's Severity
Adjustment (SA)

Annex A5

Recommended New Liner Honing Procedure

Annex A6

Sequence VIII Oil Priming Procedure

Annex A7

Alternative Crankcase Breather Configuration

Annex A8

Connecting Rod Bearing Cleaning Procedure

Annex A9

Electronic Ignition Conversion

Annex A10

System Response Procedure

Annex A11

Air-Fuel Ratio Measurement

Annex A12

Lead Decontamination Procedure

Annex A13

Stay-in-Grade Oil Analysis Procedure

Annex A14

Crankshaft Rear Seal Conditioning

Annex A15

Report Forms and Data Dictionary

Annex A16

Test Fuel Specification

Annex A17

APPENDIXES

Role of the ASTM Test Monitoring Center and the Calibration Program

Appendix X1

Suggested Method for Salvaging Camshaft Bearing Journals

Appendix X2

Data Log Sheets

Appendix X3