which is best for a b18b...and why please...your experiences..

 

All motor go iridium

 

copper. better conductivity.

just change them every 6-8k.

 

the best conductor in the world is iridium, now, i cant say which one is better for your aplication, but i would try to find info on the net, maybe some crazy guy tried all of them with his car at the dyno, good luck!