ive got an 05 srt and im running ngk irradium plugs one step colder w/ msd ign and wires. people are telling me to stay with the stockers. what to do???
If you are completely stock yes, but I would rather use the iridium 5 which is the same heat rang as OE. They will fire under the most cylinder pressure with any given gap as compared to the OE plugs having "spark blow out" at even smaller gaps.
If you are outfitted with mods definitely go with the step colder iridium plugs !
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LTZR6AIX-13 or stock# 2315. I've had the 5s in for two years and they have been great plugs gapped 35.
I'm turning the boost up soon with my E1 and AEM and will install the 6s.
Last edited by dodgezdad : 12-05-2007 at 05:26 AM.
ive got the msd ignition with msd wires. why go back to stock?? why is the stock better?
Not so much better but there are a lot more "My MSD coil pack failed!" threads than "My stock coil pack failed!" threads. I've seen it here and on the 420A platform. The stock coil pack works fine.
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ngk plugs?
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