Normandy Posted August 28, 2014 Report Share Posted August 28, 2014 (edited) Hey all, I found this PDF from the Street Machine Club on spark plug dyno's. Have a look. The "Mystery plugs" design is very intriguing. 0310 Spark Plugs-lowres (2).pdf Edited August 28, 2014 by Normandy (see edit history) Quote Link to comment Share on other sites More sharing options...
Aldofashow Posted August 28, 2014 Report Share Posted August 28, 2014 I love ngk put them in everything champion went out along with the mullet haircut Quote Link to comment Share on other sites More sharing options...
Downeast Johnny Posted August 29, 2014 Report Share Posted August 29, 2014 Interesting read. Thanks for the link. Wonder where they are if their having trouble finding iridium plugs. I am in the middle of nowhere and I can find them easily. Test would have been more valuable to me if they had tested iridium also. Quote Link to comment Share on other sites More sharing options...
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