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 Post subject:
PostPosted: Wed Jul 20, 2011 10:28 am 
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Joined: Fri Nov 14, 2008 1:50 pm
Posts: 605
Location: Putnam Valley, NY
NGK Spark plug charts...and all you need to know: http://www.ngk.com/sparkplug411.asp?mfid=1

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-Dave
76Z Turbo'd
72 In Progress---DONE!


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 Post subject: Re: Spark plugs
PostPosted: Fri Nov 28, 2014 7:42 am 
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Joined: Tue Dec 04, 2012 7:25 am
Posts: 2
Great Sharing, But here i come to know that how to repair my Spark plug in Iranian Hospital


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 Post subject: Re: Spark plugs
PostPosted: Sun Jan 25, 2015 9:05 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3098
Location: rhode island
So the "N" in NGK means Denso, ummmmm. You can get ND's, and matter of fact it is on the label of some cars as a choice. It's always NGK or ND. To make thinks simple, NGK's go in every vehicle I work on, and yes, even a Chevy will get them, if available. I forget what I have in my 240 now, but having a 280zx ignition system, I believe I put in what a 280zx suggest. Is spring here yet?


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 Post subject: Re: Spark plugs
PostPosted: Mon Jan 26, 2015 1:25 pm 
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Joined: Mon Jul 21, 2008 9:27 pm
Posts: 882
Location: Pachaug, Ct
What Paul said, NGK all the way!
And no,spring isn't here yet;what iz here iz yet another storm of the century! We're all gonna die! It'z been great Z'ing w/ you guys...Looking forward to doing hot laps in hell. Z ya there.

Al

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71 240zx


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 Post subject: Re: Spark plugs
PostPosted: Sun Mar 08, 2015 7:19 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3098
Location: rhode island
It's gota be spring now.....the clocks are ahead.....I cooked steaks on the grill last night, on the deck with a beer in my hand...........................looking at the snow mound about 3 feet taller than my wife's car. :roll:


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 Post subject: Re: Spark plugs
PostPosted: Sun Apr 26, 2015 6:26 am 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3098
Location: rhode island
Rock Auto has the Nippon Denso's, and I got 6 plugs for under $10. These are the regular copper plugs. stock # 3066. the 280zx would be #3067 0r #3212. They do make Platinum #4502, and Iridium #5306 as well. Those are just long life plugs, I DO NOT drive my Z that much, so no sense in buying those. Copper did good back in 1972, and it does good now. I did say NGK all the way, but when ND's are available, I'll take those over NGK. No difference in Performance, just my preference.


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 Post subject: Re: Spark plugs
PostPosted: Fri May 01, 2015 12:57 pm 
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Joined: Thu Apr 03, 2008 10:06 am
Posts: 199
Location: NY/CT
Well - I'm interested in spark plugs at the moment myself. I'm trying to chase down a stumble/hesitation issue above 5K. Starting with new plugs. Am I safe gapping NGK BP5ES's at 0.040"? L24 w/ SU's running a Pertronix ignition and flamethrower coil.

Thanks!

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Colin F. Gentle
1970 Datsun 240z #11137


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 Post subject: Re: Spark plugs
PostPosted: Sun May 03, 2015 12:33 pm 
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Joined: Thu Apr 03, 2008 10:06 am
Posts: 199
Location: NY/CT
Just to follow up on this - popped in 6 new bp5es plugs, gapped at 0.040" and I'm back in business smooth up to 6.5K (and prob higher).

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Colin F. Gentle
1970 Datsun 240z #11137


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 Post subject: Re: Spark plugs
PostPosted: Mon Jun 15, 2015 4:11 pm 
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Joined: Wed Jul 23, 2008 2:38 pm
Posts: 3098
Location: rhode island
Do you have the ZX alternator upgrade? You get a smoother idle, and higher revs. Also, the ZX distributor seems to do better. At least in my case, Just a thought. My engine is smooth past red line now.


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