4.7 spark plugs - Dakota Durango Forum
4.7L/4.7L HO/4.7L Gen II Engines Questions regarding the 4.7L V8 engine

 
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post #1 of 15 Old 02-26-2010, 05:45 AM Thread Starter
silverbullit
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4.7 spark plugs

What is the best spark plugs for an 01 dakota 4.7? Also what is the correct gap for them?


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post #2 of 15 Old 02-26-2010, 06:10 AM
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did you try searching???? Not trying to be a ass. Its talked about all the time.
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post #3 of 15 Old 02-26-2010, 06:52 AM
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Quote:
Originally Posted by silverbullit View Post
What is the best spark plugs for an 01 dakota 4.7? Also what is the correct gap for them?
been on here a lot.... tho to recap....... stock replacements plugs.... *should* be pre gapped already

1999 Dakota R/T (mild to heavy mod)
2006 Magnum SRT8 (not *yet* modded)
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post #4 of 15 Old 02-26-2010, 02:39 PM
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Over a dozen threads on here recommending the NGK 2262 which is one heat range colder. I went that route this past change. But now 10 people will hit this thread telling you that they aren't the right ones, and 20 more will hit it telling you to go buy them. We've had this discussion once or twice. lol They are pretty cheap, too. No need to go buy $10 plugs.

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post #5 of 15 Old 02-27-2010, 03:48 PM
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I like NGK. I have the iridium IX in my truck right now.
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post #6 of 15 Old 02-27-2010, 07:34 PM
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Save your breath everyone! http://www.dakota-durango.com/forum/...d.php?t=106957 But I guess I can't really point any fingers. By the way, I love mine!

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post #7 of 15 Old 02-28-2010, 08:53 PM
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so which one is better then?
or which one has the (cooler) heat range?

NGK V-POWER ZFR5F-11 (2262)
NGK V-Power ZFR6F-11G (6987)

http://photos-c.ak.fbcdn.net/hphotos-ak-snc1/hs273.snc1/10035_128054379775_509549775_2287834_1010893_n.jpg
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post #8 of 15 Old 03-01-2010, 06:07 AM
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Quote:
Originally Posted by dualdakota02 View Post
so which one is better then?
or which one has the (cooler) heat range?

NGK V-POWER ZFR5F-11 (2262)
NGK V-Power ZFR6F-11G (6987)
2262 is the cooler one, that's the one a lot of people use. But whatever floats your boat.

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post #9 of 15 Old 03-01-2010, 02:58 PM
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Quote:
Originally Posted by Montana Dodge View Post
2262 is the cooler one, that's the one a lot of people use. But whatever floats your boat.
Actually the 2262(ZFR5F-11) is one step hotter. NGK's heat range goes the higher the number the colder the plug.
http://sparkplugs.com/charglossary.asp?kw=Heat+range.
NGK lists this plug as stock ZFR6F-11G, so you would need 6855(ZFR7F-11) to be one step colder.

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post #10 of 15 Old 03-01-2010, 11:54 PM
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Quote:
Originally Posted by azdurango View Post
Actually the 2262(ZFR5F-11) is one step hotter. NGK's heat range goes the higher the number the colder the plug.
http://sparkplugs.com/charglossary.asp?kw=Heat+range.
NGK lists this plug as stock ZFR6F-11G, so you would need 6855(ZFR7F-11) to be one step colder.
Do you have any proof to back this up?

5DW #187 A lot of stuff...
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post #11 of 15 Old 03-02-2010, 12:09 AM
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Quote:
Originally Posted by Tydog07 View Post
Do you have any proof to back this up?
Everything I've looked at says that he is correct. So much for trusting and getting info off this forum

Jay
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post #12 of 15 Old 03-02-2010, 02:04 AM
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Quote:
Originally Posted by Tydog07 View Post
Do you have any proof to back this up?
The proof is in the link that I posted. 4th paragraph down, last sentence.
Japanese manufacturers (NGK, Denso), the higher the number, the colder the plug.

http://sparkplugs.com/charglossary.asp?kw=Heat+range

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post #13 of 15 Old 03-02-2010, 03:34 AM
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Quote:
Originally Posted by azdurango View Post
The proof is in the link that I posted. 4th paragraph down, last sentence.
Japanese manufacturers (NGK, Denso), the higher the number, the colder the plug.

http://sparkplugs.com/charglossary.asp?kw=Heat+range

Wow, I really had my head up my ass this time, sorry, I was so focused on you being wrong, I just didn't look into it enough!

And for the reference, I wasn't looking for a bitch fit, I just want to be sure of anything before I buy into it, like dyno charts for parts and such!

5DW #187 A lot of stuff...
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post #14 of 15 Old 03-02-2010, 03:48 AM
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Interesting article. Used a Chevy 350 to test different brands of plugs for HP and TQ.

http://www.streetmachineclub.com/Pro...aspx?id=147482

Jay
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post #15 of 15 Old 03-02-2010, 02:46 PM
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Quote:
Originally Posted by Tydog07 View Post
Wow, I really had my head up my ass this time, sorry, I was so focused on you being wrong, I just didn't look into it enough!

And for the reference, I wasn't looking for a bitch fit, I just want to be sure of anything before I buy into it, like dyno charts for parts and such!
No worries, I was trying to seem like an ass. Just trying to get the correct info out there to everyone, I went through the same thing when I ordered my NGK's.

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