Posted December 16, 200717 yr comment_231499 what calibration do you recommend and does matter if i have a xr7000 ignition system. i also heard something about hot spark plugs, whats that. can i used that Link to comment https://www.classiczcars.com/forums/topic/26520-spark-plug-calibrations/ Share on other sites More sharing options...
December 16, 200717 yr comment_231520 USE ngk bpr6esII.Will Link to comment https://www.classiczcars.com/forums/topic/26520-spark-plug-calibrations/#findComment-231520 Share on other sites More sharing options...
Create an account or sign in to comment