NGK Iridium Plugs???
Senior Member
Joined: Sep 2000
Posts: 1,636
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From: Olive Branch, MS, Memphis Burb
Originally posted by TrackBeast
When I e-mailed NGK, they told me that they didn't have a direct replacement for our plugs. The iridium plug indicates .052 gap from factory. That's not a good sign.
The stock Motorcraft plugs are made by Denso and are a long life version of their iridium plug. That's why they perform a little better but are more fragile and not as long lasting than stock.
TB
When I e-mailed NGK, they told me that they didn't have a direct replacement for our plugs. The iridium plug indicates .052 gap from factory. That's not a good sign.
The stock Motorcraft plugs are made by Denso and are a long life version of their iridium plug. That's why they perform a little better but are more fragile and not as long lasting than stock.
TB
The original plugs that came in 99 & 00 L's and probably a model year or 2 newer had platinum plugs. I don't know if they made a change after that or not. As you can see from the pics that I posted the TR6IX burns pretty cool and it's definitely colder than the stock plugs that came in my 2000 L.
Thread Starter
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Senior Member
Joined: Apr 2004
Posts: 1,202
Likes: 0
From: Miami, FL
Originally posted by AMP
I have a set of TR55IX's that I didn't ever install. If anyone needs these, I'd be willing to give them to whoever for shipping only. They do no one any good sitting in my shop!
I have a set of TR55IX's that I didn't ever install. If anyone needs these, I'd be willing to give them to whoever for shipping only. They do no one any good sitting in my shop!
Too bad I can't use em.