SAE J549-2020
Preignition Rating of Spark Plugs
- Standard No.
- SAE J549-2020
- Release Date
- 2020
- Published By
- SAE - SAE International
- Latest
- SAE J549-2020
- Scope
- This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs. The spark plug preignition ratings obtained with the equipment and procedure specified herein are useful for comparative purposes and are not to be considered as absolute values since different numerical values may be obtained in different laboratories.
SAE J549-2020 history
- 2020 SAE J549-2020 Preignition Rating of Spark Plugs
- 2015 SAE J549-2015 Preignition Rating of Spark Plugs
- 2013 SAE J549-2013 Preignition Rating of Spark Plugs
- 1999 SAE J549-1999 Preignition Rating of Spark Plugs
- 1995 SAE J549-1995 Preignition Rating of Spark Plugs (March 1995)
- 1990 SAE J549-1990 PREIGNITION RATING OF SPARK PLUGS
- 1982 SAE J549-1982 Preignition Rating of Spark Plugs
- 1970 SAE J549A-1970 PREIGNITION RATING OF SPARK PLUGS
