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    ASTM D5119-02

    Standard Test Method for Evaluation of Automotive Engine Oils in the CRC L-38 Spark-Ignition Engine (Withdrawn 2003)

    Withdrawn Standard: ASTM D5119-02 | Developed by Subcommittee: D02.B0.01

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    1. Scope

    1.1 This engine oil test method covers the evaluation of automotive engine oils (SAE grades 5W 10W, 20, 30, 40, and 50, and multiviscosity grades) intended for use in either spark-ignition gasoline engines, or in diesel engines. The test procedure is conducted using a carbureted, spark-ignition Cooperative Lubrication Research (CLR) Oil Test Engine (referred to as the L-38 engine in this test method). An oil is evaluated for protection against engine and oil deterioration under high-temperature, heavy-duty service conditions. The test method can also be used to evaluate the viscosity stability of multiviscosity-graded oils.

    1.2 The two measures of engine deterioration used in this test method are (1) weight loss of copper-lead bearings used in the test power section, and (2) varnish and sludge deposits on power section parts.

    1.3 The two measures of oil deterioration used in this test method are (1) the change in the acid number of the oil, and (2) the change in the viscosity of the oil during the test period.

    1.4 Correlation of test results with those obtained in automotive service has not been established. Furthermore, the results obtained in this test method are not necessarily indicative of results that will be obtained in a full-scale automotive spark-ignition or compression-ignition engine, or in an engine operated under conditions different from those of the test method. The test can be used to compare one oil with another.

    Note 1—Companion test methods used to evaluate engine oil performance for specification requirements include the following current versions of single-cylinder and multicylinder engine tests:
    ASTM STP 509A, Single Cylinder Engine Tests for Evaluating the Performance of Crankcase Lubricants Part I, Caterpillar 1G2 Test Method
    Part II, Caterpillar 1H2 Test Method
    ASTM STP 315H, Multicylinder Test Sequences for Evaluating Engine Oils
    Part 1, Sequence IID
    Part 2, Sequence IIID
    Part 3, Sequence V-D
    ASTM Research Report RR:D02-1225 Sequence IIIE, Multicylinder Test Sequence for Evaluating Automotive Engine Oils
    ASTM D02 Proposal P212, Proposed Test Method for VE Test Procedure
    Also, see Engine Oil Tests—SAE J304 for details on these and other engine oil test methods.

    1.5 The values stated in inch-pound units are to be regarded as the standard; except for the case of bearing weight measurements, for which the unit is milligram; and except for viscosity measurements, for which the temperatures of measurement are expressed in C (degrees Celsius). SI values are given in parentheses. In cases where materials, products, or equipment are available only in inch-pound units, SI units are omitted.

    1.6 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.

    1.7 This test method is arranged as follows:

    Referenced Documents2
    Summary of Test Method4
    Significance and Use5
    Test Engineering, Inc.6.1
    Fabricated or Specially Prepared Items6.2
    Instruments and Controls6.3
    Procurement of Parts6.4
    Reagents and Materials7
    Test Oil Sample Requirements8
    Preparation of Apparatus9
    Test Stand Preparation9.1
    Conditioning Test Run on Power Section9.2
    General Power Section Rebuild Instructions9.3
    Reconditioning of Power Section After Each Test9.4
    Power Section and Test Stand Calibration10.1
    Instrumentation Calibration10.2
    Engine Operating Procedure11
    Run-In and Flush11.1
    Intermediate Bearing Weight Loss Checks11.2
    Test Operating Conditions11.3
    Warm-up Schedule11.4
    Air-Fuel Ratio and Spark Advance11.5
    Rocker Cover Air, Off-gas, and Blowby Measurement11.6
    Shut-down and Oil-Drain Procedure11.7
    Oil Sampling and Oil Addition11.8
    Oil Consumption Computation11.9
    Periodic Measurements11.10
    Determination of Test Results12
    Precision and Bias14
    Use of ASTM Rounding15
    Specification for Soltrol 107, 8 Annex A1
    Measurement of Connecting Rod Bearing Clearance and Journal TaperAnnex A2
    Measurement of Main Bearing ClearanceAnnex A3
    The ASTM Test Monitoring Center Calibration ProgramAnnex A4
    Data Log SheetsAnnex A5
    Measurement of Piston-to-Sleeve ClearanceAnnex A6
    Control Chart Technique for a Laboratory's Severity Adjustment (SA)Annex A7
    Recommended New Liner Honing ProcedureAnnex A8
    L-38 Oil Priming ProcedureAnnex A9
    Alternative Crankcase Breather ConfigurationsAnnex A10
    Connecting Rod Bearing Cleaning ProcedureAnnex A11
    L-38 Electronic Ignition Conversion ProcedureAnnex A12
    System Response ProcedureAnnex A13
    Air-Fuel Ratio MeasurementAnnex A14
    L-38 Engine Evaluation Report FormsAnnex A15
    Data DictionaryAnnex A16
    Stripped Viscosity Measurement ProcedureAnnex A17
    Role of the ASTM Test Monitoring Center and the Calibration ProgramAppendix X1
    Suggested Method for Salvaging Camshaft Bearing JournalsAppendix X2

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D5119-02

    Citation Format

    ASTM D5119-02, Standard Test Method for Evaluation of Automotive Engine Oils in the CRC L-38 Spark-Ignition Engine (Withdrawn 2003), ASTM International, West Conshohocken, PA, 2002,

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