Posted by John W. S. son of John S. [108.3.81.153] on Thursday, February 07, 2013 at 17:54:09 :
In Reply to: Re: OT: Any Spark Plug guru's Out there? posted by Will (in IL) [98.215.27.52] on Thursday, February 07, 2013 at 17:32:48 :
Will,
Here is another link to the champion site which talks about heat ranges and compression requirements. However it sounds like you have already taken these things into consideration. I hope that you get an answer from someone who has some better knowledge of the issues.
http://www.championsparkplugs.com/learning-center/category/24/tuningperformance
John W. S.
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