J549_199911 Preignition Rating of Spark Plugs
11/15/1999
- Issuing Committee
- Content
- 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.
- Pages
- 5
- Citation
- SAE International Recommended Practice, Preignition Rating of Spark Plugs, SAE Standard J549_199911, Revised November 1999, Issued October 1970, https://doi.org/10.4271/J549_199911.