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post #1 of 9 (permalink) Old 07-18-2002, 02:54 PM Thread Starter
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Iridium Spark Plus

What's the consensus on the iridium plugs. My ride is due for a plug change and the NGK look like a good buy.

T-bird is gone:
2005 Black Mustang GT, Whipple HO kit 11# boost, with 48# inectors, JDM Tune, SpyderShaft, Fays2 Watt's Link. 436RWHP/412RWTQ. Best so far [email protected] on 255/50 18 NittoE. Need MT streets.
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post #2 of 9 (permalink) Old 07-18-2002, 08:10 PM
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hmm,

Most guys on here are happy with motorcraft copper's. They are cheap and good in my opinion.

JH
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post #3 of 9 (permalink) Old 07-18-2002, 08:52 PM
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I've got Iridium plugs and have no probs...I use them instead of 2 degree colder plug

n/m
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post #4 of 9 (permalink) Old 07-20-2002, 01:14 PM
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Smile

I have used Motorcraft and Autolite plugs on a stock setup and they work great.

I will consider the Dilithium and Trilithium plugs if they become available for stock street use.
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post #5 of 9 (permalink) Old 07-20-2002, 05:23 PM
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Not worth it...

unless you are running more than 10psi, you should just use good ol copper.




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post #6 of 9 (permalink) Old 07-21-2002, 01:45 PM Thread Starter
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Re: Not worth it...

Quote:
Originally posted by GreenBird
unless you are running more than 10psi, you should just use good ol copper.
Aren't the stock plugs platinum? I paid nearly $10.00 per plug (Canadian $) when I did the last change, about 96,000KMs ago. The iridium is actually less money.

T-bird is gone:
2005 Black Mustang GT, Whipple HO kit 11# boost, with 48# inectors, JDM Tune, SpyderShaft, Fays2 Watt's Link. 436RWHP/412RWTQ. Best so far [email protected] on 255/50 18 NittoE. Need MT streets.
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post #7 of 9 (permalink) Old 07-21-2002, 03:55 PM
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Yes, the stock plugs are plat., but copper works just fine too. it just won't last as long

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'95 v8 T-bird, 126+K, Tune, "faux" jmod trans, 245 BFG's for grip, "ghetto" intake - Blown Head Gasket
e.t. = 15.3 @ 93 mph
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post #8 of 9 (permalink) Old 07-21-2002, 08:16 PM
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Cool One small point.....

Platinum plugs have about six times the resistance of
copper plugs. So far, I haven't been able to find any
info on what an Iridium plug's resistance rating might be.

Mager Thom
1997 AED Thunderbird LX
287RWHP 345RWTQ



"It's ALL about air flow...eveything else...is tuning..."
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post #9 of 9 (permalink) Old 07-26-2002, 03:34 PM
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Just installed a set of bosch platinum +2 plugs on my 4.6 bird. runs great as far as i can tell. dunno if i can feel a difference yet, but i havnt gotten on it too much yet. had to get home to get ready for work. but its got liottle better throttle response. i had stock autolite brand plugs in there before.
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