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Plugs other then TR6 ???

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Old Feb 9, 2003 | 11:09 AM
  #1  
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Default Plugs other then TR6 ???

I know this has been talked about again and again, but the search engine didn't pick up $hit. <img border="0" title="" alt="[Mad]" src="gr_images/icons/mad.gif" />
So what other FI plugs are there other then NGK TR6?

Thanks
Jay
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Old Feb 10, 2003 | 09:06 AM
  #2  
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Default Re: Plugs other then TR6 ???

ttt
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Old Feb 13, 2003 | 08:12 PM
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Default Re: Plugs other then TR6 ???

Have you looked into getting iridium plugs? I know Denso makes them and also I believe NGK makes a set of iridium plugs.
Try www.densoiridium.com

You may be able to find what you need.
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Old Feb 13, 2003 | 09:53 PM
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Default Re: Plugs other then TR6 ???

not if you are supercharging or juicing it
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Old Feb 13, 2003 | 10:40 PM
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Default Re: Plugs other then TR6 ???

That's my fault guys, I left out that I'm running a supercharger and was looking for cold plugs like the TR6. <img border="0" title="" alt="[Embarrassed]" src="gr_emb.gif" />
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Old Feb 13, 2003 | 10:45 PM
  #6  
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Default Re: Plugs other then TR6 ???

NGK TR6
NGK BR7EF
Denso IT22 $$
Denso IT24 $$
Champion S57C
AutoLite 103
AC Delco FR1LS
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Old Feb 13, 2003 | 10:48 PM
  #7  
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Default Re: Plugs other then TR6 ???

FWIW, i've had good luck with Iridiums in non-LS1, turbo apps. I've yet to hear of any bad results with Iridiums, honestly. Had a set in my Syclone for almost a year, and the Syty's are typically *horrible* with ignition. Doing a plug swap every week or so wouldn't be out of the ordinary.

NGK TR6IX would be the Iridium NGK model of the TR6.

I have heard Duttweiler became a fan of them after some testing.
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Old Feb 13, 2003 | 10:59 PM
  #8  
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Default Re: Plugs other then TR6 ???

bgreen , I've been thinking about going to iridiums but after seeing the price for the Densos I was definitely <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />
Are the NGK iridiums cheaper than the Densos? i have NGK TR6s in my car but I'm really curious about the iridiums.
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Old Feb 14, 2003 | 05:57 AM
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Default Re: Plugs other then TR6 ???

They're still expensive <img border="0" title="" alt="[Frown]" src="gr_sad.gif" />

prolly $6 or $7 each, unless you can find a buddy that gets a discount.
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Old Feb 14, 2003 | 06:12 AM
  #10  
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Default Re: Plugs other then TR6 ???

Autolite 103's
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Old Feb 14, 2003 | 11:10 AM
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Default Re: Plugs other then TR6 ???

FWIW, we've seen absolutely ZERO benefit (on the street or on the dyno) from switching a properly tuned car over from NGK TR6's to iridiums in several applications. Save your money.
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Old Feb 14, 2003 | 02:00 PM
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Default Re: Plugs other then TR6 ???

Some LT1 guys use the R42LTS's? Something like that?
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Old Feb 14, 2003 | 02:49 PM
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Default Re: Plugs other then TR6 ???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by turbolx:
<strong> FWIW, we've seen absolutely ZERO benefit (on the street or on the dyno) from switching a properly tuned car over from NGK TR6's to iridiums in several applications. Save your money. </strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">Thanks for your info. What kind of buildups were those, if you don't mind me asking?

On an LS1 - probably not necessary, as their ignition system is damn good. Plus I have yet to see an LS1 that runs high boost(high boost being relative - in my turbo setups, I'll do 20-25psi, and you find out if your ignition is up to par pretty quick). The ignition is pretty poor on the turbo stuff I've done (in comparison to the LS1 coil near plug setup), and anything you can do to increase energy at the plug is good. In those situations, I think the Iridiums would be a good choice (if you can afford it <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" /> ).
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Old Feb 14, 2003 | 04:44 PM
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Default Re: Plugs other then TR6 ???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by bgreen:
<strong>On an LS1 - probably not necessary, as their ignition system is damn good. Plus I have yet to see an LS1 that runs high boost(high boost being relative - in my turbo setups, I'll do 20-25psi, and you find out if your ignition is up to par pretty quick).</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">it becomes VERY sensative to rich misfire at 18 psi. TR6's at .028, and it only takes .1 A/F change to cause misfire.
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Old Feb 14, 2003 | 04:48 PM
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Default Re: Plugs other then TR6 ???

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Originally posted by bgreen:
<strong> Thanks for your info. What kind of buildups were those, if you don't mind me asking?</strong></font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">1) Turbo LS1, 7psi
2) N/A 4.6L 2V Mustang
3) Supercharged 4.6L 4V Mustang, 9psi

Same results every time, no different than a fresh set of NGK's.
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