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  #1 (permalink)  
Old 22 May 2011, 04:01 pm
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Default Spark Plug Gap

I just ordered NGK Iridium and the Granatelli wires like every one on here suggests. As I'm reading through the threads, I'm noticing a varying range of gap recommendations in the 0.30-0.40 area. The stock recommendation on the factory underhood decals says 0.50. Why shouldn't I gap to 0.50 when they arrive?
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Old 22 May 2011, 04:04 pm
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Default Re: Spark Plug Gap

A TSB was issued sometime about 2004 saying that Gap on certain cruiser should be .040 instead of the posted .050.
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Old 22 May 2011, 04:23 pm
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Default Re: Spark Plug Gap

Whats a TSB? And you said "certain" cars. How do I know if mine is one of them?
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Old 22 May 2011, 04:29 pm
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Default Re: Spark Plug Gap

A TSB is a Technical Service Bulletin that tells Chrysler dealers that something has changed or a way of fixing a particular problem.

Proper spark plug gap for '01
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Old 22 May 2011, 08:55 pm
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Default Re: Spark Plug Gap

Quote:
Originally Posted by NavyCruiser View Post
I just ordered NGK Iridium and the Granatelli wires like every one on here suggests. As I'm reading through the threads, I'm noticing a varying range of gap recommendations in the 0.30-0.40 area. The stock recommendation on the factory underhood decals says 0.50. Why shouldn't I gap to 0.50 when they arrive?

I have my 04 gaped at .044 with Denso Iridium plugs and Granatelli wires and it runs perfect. Give it a try at .050
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Old 22 May 2011, 09:03 pm
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Default Re: Spark Plug Gap

I've got MSD wires and stock Copper Plus plugs in both the GT and the SRT4. Bet I spent a lot less and both cars take no prisoners on the street.
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Old 22 May 2011, 09:28 pm
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Default Re: Spark Plug Gap

In total, right about 80 bucks for the lot. I've used NGK Platinum for awhile, but I like the Iridium better. And I have a blue-theme under the hood, MSD is red. I don't think 80 is too bad for the lot.
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Old 18 Jun 2011, 04:52 pm
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Default Re: Spark Plug Gap

I bought some NGK Iridium plugs (and NGK wires) for my 04 non-turbo as well. The NGK package clearly states "do not gap" and goes on to explain the super fine tip is prone to breaking. Is that just a disclaimer statement?
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Old 18 Jun 2011, 05:59 pm
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Default Re: Spark Plug Gap

Quote:
Originally Posted by Myka View Post
I bought some NGK Iridium plugs (and NGK wires) for my 04 non-turbo as well. The NGK package clearly states "do not gap" and goes on to explain the super fine tip is prone to breaking. Is that just a disclaimer statement?
No, they are prone to brakeage!!!
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Old 18 Jun 2011, 06:54 pm
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Default Re: Spark Plug Gap

You can gap them, if you know how. This is how you do it:

http://www.modernperformance.com/iri...er-p-1144.html

Last edited by XtrmDC2; 18 Jun 2011 at 06:57 pm. Reason: Forgot link
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