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which plugs to buy

 
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Old 15 Sep 2005, 01:04 am
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Default which plugs to buy

Well, I have not been to the forums in awhile, but need to change plugs and wanted to see what everyone is using. I did a search and saw that there are some choices to the cooper, but which one?

I have a 2004 Stage 1 otherwise stock car. NGK, V power, Iridum, ??? My main goal is durability and mileage, power being secondary. My mileage has dropped off, so I am suspecting plugs and wires. Otherwise I have the K&N filter, up pipe with all snorkels removed, and stock turbo, boost etc.

I do not mind spending a few bucks if it is worth it, and I did see to gap them down.

Thanks

Mike
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Old 15 Sep 2005, 02:20 am
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Recommend that you use Mopar Copper Plus Champion Spark Plugs (Part #RE16MC for N/A & RE14MCC5 for turbo) gapped to .040. This has worked very well on my "S1" GT turbo car.
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Old 15 Sep 2005, 02:24 am
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My NGK Iridiums are working real well for me. Much smoother than old factory plugs with 33,000 miles on them!! As soon as I installed those plugs at the factory gap of .052 I could feel the smoothness. I dont have any dyno numbers and gas mileage only changed about .2 mpg.
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Old 15 Sep 2005, 12:33 pm
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I noticed the Iridiums are not resistor plugs, has anyone noticed radio noise after installing these?

Mike
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Old 15 Sep 2005, 01:14 pm
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Quote:
quote:Originally posted by nozzano22

I noticed the Iridiums are not resistor plugs, has anyone noticed radio noise after installing these?

Mike
I don't think that's been an issue for a while.....
I do know what you mean, I had a car I put solid wires in that was an audio tachometer when radio was on, but I've heard no reports of that for years.
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Old 15 Sep 2005, 07:09 pm
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Mike,
I replied to your emial, but in all truthfullness, the iridium plugs are WAY better than the NGK copper or Champs. The Denso ITV 20 or the NGK iridium 2315's are just a truly superior plug.(both one step colder than stock) I tested my stock plugs v.s. NGK 4306 copper v.s. Denso ITV 16's and the Denso's just blow away those plugs. And the 16's are the same heat range as stock. I ordered the ITV22(2 steps colder) for my S1/WGA/BC set-up. A lot of guys running big turbos are using the iridiums.
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Old 15 Sep 2005, 09:30 pm
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Quote:
quote:Originally posted by nozzano22

I noticed the Iridiums are not resistor plugs, has anyone noticed radio noise after installing these?

Mike
No problem on mine ...
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Old 16 Sep 2005, 04:05 am
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Quote:
quote:Originally posted by Topless in Cali

Mike,
I replied to your emial, but in all truthfullness, the iridium plugs are WAY better than the NGK copper or Champs. The Denso ITV 20 or the NGK iridium 2315's are just a truly superior plug.(both one step colder than stock) I tested my stock plugs v.s. NGK 4306 copper v.s. Denso ITV 16's and the Denso's just blow away those plugs. And the 16's are the same heat range as stock. I ordered the ITV22(2 steps colder) for my S1/WGA/BC set-up. A lot of guys running big turbos are using the iridiums.
Butt dyno talking and we know what that is worth. Until you can show numbers it is only an opinion and justification for costly plugs. My GT with all of the mods and copper plus plugs ran extremely fast and well. [?]
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Old 16 Sep 2005, 06:40 am
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No radio interference at all for my NGK Iridiums! Are you sure about them being non resistor type? Cause in my other cars (years ago) I did get lots of radio interference on the AM band with racing plugs and wires!!
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Old 16 Sep 2005, 06:58 pm
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The "R" in the part number designates resistor. Look in the "more info" for a complete iridium plug description.
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