Spark Plug Heat Range Advice
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Someone posted this link on an FB group page and I thought it was quite useful. So I thought I would share it with you bros n' hoes and those who hide in the closet!!!
https://www.onallcylinders.com/2012/11/16/spark-plug-heat-range/
I found a couple more which are also an interesting read;
https://matchlessclueless.com/mechanical/ignition/spark-plugs/
http://www.ngksparkplugs.co.za/technical/technical-spark-plugs/
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here's another simple spark plug guide;
https://www.briskusa.com/spark_plug_cross_reference_heat_range_chart
