Hi, has anyone tried the new NGK Ruthenium spark plugs for the z22se? Link shown below. Do you think they will be ok to put in? Seem like they have a fairly long life and better fuel economy.
ngksparkplugs.com
Ruthenium HX™ Spark Plugs - NGK Spark Plugs
Ruthenium HX High Ignitability spark plugs for NGK are designed for maximum durability and performance in today’s highly efficient engines.
