NGK Iridium or Laser Platinum? - Mustang Evolution

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Old 02-23-2014, 04:06 PM   #1
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NGK Iridium or Laser Platinum?

Hi guys,
Just want to change the plugs, which type do you prefer? Iridium or Laser platinum for 03 gt 2.1 KB?
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Old 02-23-2014, 04:17 PM   #2
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I stick the to the motorcraft copper stockers on my blown Foxbody, but a lot of poeple like the NGK's. I'd stay away from platinum, I never had those run good. How much boost you pushing? I assume you're not going to gap them like an N/A car....
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Old 02-23-2014, 04:35 PM   #3
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Iridium seems to be what a majority of people like.
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Old 02-23-2014, 06:03 PM   #4
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With 9pis I probably be around 410hp and I think m going to go with ngk Iridium thx guys
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Old 02-23-2014, 06:06 PM   #5
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No prob, you shouldn't have an y blow out issues then. Good choice!
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Old 02-24-2014, 08:26 PM   #6
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I would personally stick with NGK tr6 plugs only for the simple fact if you burn up a plug it's a safety blanket though you have to change them more often. I ran the TR6ix iridium sand yes it idled smoother but I wound up putting the coppers back in. I was running 17lbs of boost on 11:1 compression.
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Old 02-24-2014, 08:28 PM   #7
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Quote:
Originally Posted by Mzilla View Post
I would personally stick with NGK tr6 plugs only for the simple fact if you burn up a plug it's a safety blanket though you have to change them more often. I ran the TR6ix iridium sand yes it idled smoother but I wound up putting the coppers back in. I was running 17lbs of boost on 11:1 compression.
Damn, how'd you run such a high compression with that boost?
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Old 02-24-2014, 09:54 PM   #8
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NGK Iridium or Laser Platinum?

[QUOTE=Soccerluvr4;1955569]Damn, how'd you run such a high compression with that boost?[/

it's on e85 or race gas or meth injection
Probably
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Old 02-24-2014, 09:59 PM   #9
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Oh and I ran ngk iridiums in my 2.3t @25lbs of boost and worked awesome
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Old 02-24-2014, 11:44 PM   #10
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Not having an e85 station within driving distance makes me sad in pants. That stuff lets you do some wild **** with compression and forced induction. Although the whole ethanol thing has been an abysmal failure, mostly because we are using corn and not investing in enough research for cellulosic ethanol. Also because there is still plenty of oil that is cheap to get at and import except we are stuck with refineries built in the 70s thanks to idiotic EPA laws so we have a crappy infrastructure to to the point of having to import gasoline that has been refined elsewhere which is ridiculously expensive.

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