Refresher course in reading spark plugs.

[BenzBoy]

You can ignore the comments on lead unless you have an old 44 gallon drum of the good stuff left over...
http://www.ngksparkplugs.com/tech_support/spark_plugs/faqs/faqread.asp
Regards,
Brian

 

[Styria]

Good find, BenzBoy. Reading the plugs, initially, is the easiest and quickest method to indicate how efficiently your engine is performing. It is usually the first item I check when tuning Gleaming Beauty. Regards Styria