Read this plug please!

64DartGTinAZ said

http://www.4secondsflat.com/Spark_plug_reading.html

First pic is here (larger): http://www.aa1car.com/library/reading_spark_plugs.jpg

Second pic is here (larger): http://1.bp.blogspot.com/-nW_kLKZ2v...AB4c/Muvx59Hb7KQ/s1600/Spark+Plug+Reading.jpg

Click to expand...

I'm done and don't plan on wasting more of my time on this. Its why I asked on the type of fuel. These charts were around in the 1960's when there was lead in the gas. Leaded gas and race fuel will give you different plug readings than today's unleaded pump gas with ethanol.