J549_201503 Preignition Rating of Spark Plugs
Revised
03/03/2015
- Features
- Issuing Committee
- Content
- This SAE Recommended Practice describes the equipment and procedures used in obtaining preignition ratings of spark plugs.
- Content
- Information updated to reflect current industry practice related to the heat range testing of spark plugs. Key changes are noted below:
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Deleted references to obsolete U.S Government publications related to lubricating oil and oil for fuel and added applicable SAE document references.
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Updated section on operating conditions to include engine warm-up procedure.
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- Pages
- 6
- Citation
- SAE International Recommended Practice, Preignition Rating of Spark Plugs, SAE Standard J549_201503, Revised March 2015, Issued December 1947, https://doi.org/10.4271/J549_201503.