1mean96ss

Going to get a new set of some NGK TR55's and need to know if i should be getting the iridium/platinum or standard. If you have a part number let me know.

Car is heads/cam/ported intake/boltons/t56

quik95lt1

iTrader: (7)

just run the regular v power plug...........i been running them for years im my car with no issues at all.....plus they're like $2.50 each........very seldom do you get to go fast and be cheap lol

z_speedfreak

iTrader: (3)

copper is a better conductor than iridium & platinum

ROCNDAV

iTrader: (100)

How often do you change them out?

quik95lt1

iTrader: (7)

in my lt1 i change em once a month or so....usually they are perfectly fine but i do them any way just for inspection....thats in a race application though...........i have them in my gto and they've been in there prob two years now.....and in my truck over two years now