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ASTM D6709-07

Historical Revision

Standard Test Method for Evaluation of Automotive Engine Oils in the Sequence VIII Spark-Ignition Engine (CLR Oil Test Engine)

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1.1 This 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 spark-ignition gasoline engines. The test procedure is conducted using a carbureted, spark-ignition Cooperative Lubrication Research (CLR) Oil Test Engine (also referred to as the Sequence VIII test engine in this test method) run on unleaded fuel. An oil is evaluated for its ability to protect the engine and the oil from deterioration under high-temperature and severe service conditions. The test method can also be used to evaluate the viscosity stability of multiviscosity-graded oils. Companion test methods used to evaluate engine oil performance for specification requirements are discussed in the latest revision of Specification D 4485.

1.2 Correlation of test results with those obtained in automotive service has not been established. Furthermore, the results obtained in this test 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. The test can be used to compare one oil with another.

1.3 The values stated in SI units are to be regarded as standard, except for (1) volume which is given in the metric, but non-SI, litre, (2) certain tube measurements which are given in inch-pound units, (3) cylinder bore and stroke in both SI and inch-pound units (the inch-pound being the standard) and (4) piston displacement given in metric (non-SI) and inch-pound units (the inch-pound being the standard). In respect to (3) and (4) the inch-pound units are shown first and the SI units in parentheses.

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. Specific precautionary statements are provided throughout this test method.

This test method is used to evaluate automotive engine oils for protection of engines against bearing weight loss.

This test method is also used to evaluate the SIG capabilities of multiviscosity-graded oils.

Correlation of test results with those obtained in automotive service has not been established.

UseThe Sequence VIII test method is useful for engine oil specification acceptance. It is used in specifications and classifications of engine lubricating oils, such as the following:

Specification D 4485.

API Publication 1509 Engine Oil Licensing and Certification System.

SAE Classification J304.

SDO ASTM: ASTM International
Document Number D6709
Publication Date Nov. 1, 2007
Language en - English
Page Count 39
Revision Level 07
Supercedes
Committee D02.B0.01
Publish Date Document Id Type View
March 1, 2024 D6709-24 Revision
Dec. 1, 2023 D6709-23 Revision
April 1, 2022 D6709-22 Revision
Nov. 1, 2021 D6709-21A Revision
May 1, 2021 D6709-21 Revision
Oct. 1, 2015 D6709-15A Revision
April 1, 2015 D6709-15 Revision
Dec. 1, 2014 D6709-14A Revision
May 1, 2014 D6709-14 Revision
May 1, 2013 D6709-13 Revision
May 1, 2011 D6709-11 Revision
Nov. 1, 2010 D6709-10A Revision
May 1, 2010 D6709-10 Revision
Oct. 1, 2009 D6709-09A Revision
April 15, 2009 D6709-09 Revision
Oct. 15, 2008 D6709-08 Revision
Nov. 1, 2007 D6709-07 Revision
May 1, 2006 D6709-06 Revision
Nov. 1, 2005 D6709-05 Revision
Nov. 1, 2004 D6709-04 Revision
Nov. 1, 2003 D6709-03A Revision
May 10, 2003 D6709-03 Revision
Aug. 10, 2001 D6709-01 Revision