ASTM D4858 Method for Determination of the Tendency of Lubricants
ASTM D4858 Standard Test Method for Determination of the Tendency of Lubricants to Promote Preignition in Two-Stroke-Cycle Gasoline Engines
11.1 Report Forms - The required report forms and data dictionary are available from the ASTM Test Monitoring Center.
12. Retention of Parts and Records
12.1 The testing laboratory shall retain for a minimum of 3 years the log sheets, recordings, and other test records from both non-reference and reference tests, the original of the report.
13. Precision and Bias
13.1 The precision of this procedure has not yet been determined.
13.2 No statement can be made regarding bias, as the preignition tendency of an oil is defined only in terms of the test method.
14.1 air-cooled; lubricant; preignition; two-cycle gasoline engine