I have the NGK iridium 2 ranges colder. Are these any good? And with these plugs, how long till i change them out? I always see people using Autolite 103 or 104's. Whats the difference?
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06-27-2009
I have the NGK iridium 2 ranges colder. Are these any good? And with these plugs, how long till i change them out? I always see people using Autolite 103 or 104's. Whats the difference?
06-27-2009
Different brand. They are both a copper plug. I personally use autolites. With any copper plug being on a superchargd application you can plan on changing them every 6-10K miles.
06-27-2009
how often should iridium plugs be changed? I've probobly had them in there for 20,00 miles at least
06-27-2009
Your probably due soon. Although I have never put those in any of my cars. No reason really. Just more expensive I guess.
06-27-2009
iridiums run hotter, but they last longer. for a boosted motor, run coppers and change them every 10k
06-27-2009
yea i was just wondering. Lately when my car is at its peak temperature, and at WOT the engine spudders and i get thee 300 random/multiple misfire code. U got any ideas what it could be?
06-27-2009
Iridiums on a boosted motor aren't the best route...just get some Autolite's...I'd say with your mods get 104's. If you ever go cammed or IC'ed then 103's.
06-27-2009
stock autolites are al606 or 605.. i still run them :P
06-27-2009
Autolite quality has plummeted...go with Champion.
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