View Single Post
  #3  
Old 12-14-2020, 03:43 PM
swjohnsey swjohnsey is offline
 
Join Date: Nov 2018
Location: Kingsville, TX
Posts: 289
Default

What he said. Copper is more conductive than iridium. Car racers run copper plugs. Iridium plugs last longer but I run plugs for 100 hours then throw them away.
Reply With Quote