Dbl platinum tip plugs ok?
#4
Re:Dbl platinum tip plugs ok?
Platinium plugs are poo-poo for performance.Platinium is not a great electrical conductor.The manufactors like them because platinium is harder than copper so their is less gap errosion.Thats how they get their"no tune-up untill 75,000 miles".It takes more voltage to spark a platinium because it has so much resistance.Copper way better conductor but softer.Iridium is the best of both worlds.It is 4x harder than platinium and has a higher melting point but takes less voltage to spark than copper because it has lower resistance.
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