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Best N/A sprakplugs

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Old 01-05-2008, 09:11 AM
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Default Best N/A sprakplugs
Hey guys...well of course have a question. So what is the best n/a spark plug? Im going to be running headers and MSD cap & rotor and msd's 8.5 mm wires? let me know what you guys thing. thanks!
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Old 01-05-2008, 09:39 AM
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NGK TR55 or TR5 regapped are usually a good choice.

Once you have a plug in the right heat range though, a plug is a plug, don't buy into gimicks.
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Old 01-05-2008, 10:27 AM
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Originally Posted by 96capricemgr
NGK TR55 or TR5 regapped are usually a good choice.

Once you have a plug in the right heat range though, a plug is a plug, don't buy into gimicks.
x2 for the TR55 .
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Old 01-05-2008, 11:00 AM
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I always liked the tr55 when I used the stock heads
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Old 01-05-2008, 03:01 PM
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Originally Posted by IH8FORD
x2 for the TR55 .
Are your's TR55s? That might be part of your problem. You should run TR6 since you have really high cylinder pressure and you have nitrous.
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Old 01-05-2008, 03:03 PM
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Originally Posted by JonCR96Z
Are your's TR55s? That might be part of your problem. You should run TR6 since you have really high cylinder pressure and you have nitrous.
You told me TR55 would be the best **** sucker.
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Old 01-05-2008, 03:07 PM
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Originally Posted by IH8FORD
You told me TR55 would be the best. I'm such a **** sucker.
Don't listen to me
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Old 01-05-2008, 03:13 PM
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arent the tr6 colder to prevent pre-ignition of nitrous? I would think hotter is better as long as no pre ignition.
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Old 01-05-2008, 03:18 PM
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Another TR55 user here...15,000 or so miles them so far...I run 11.2:1 compression and gap them at .035"...They are nice plugs at a good price...

--Alan
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Old 01-05-2008, 03:33 PM
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I've had good luck with Autolites
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Old 01-05-2008, 03:49 PM
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well since i am stock headed with LT's etc... what should they be gapped at?
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Old 01-06-2008, 12:55 AM
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Originally Posted by Bad_tx_Z28
well since i am stock headed with LT's etc... what should they be gapped at?
You should be fine w/NGK TR55 gapped @.50.
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Old 01-06-2008, 01:36 AM
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TR55 or Autolites. Had no problem with either and had equal performance.
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Old 01-06-2008, 11:28 AM
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TR55's for me too. You would be fine at .50 like Bolo said, I personally gapped them mine.35 which would be fine too and they work great, my tuner said it takes less pressure off the opti if gapped at .35.
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Old 01-06-2008, 11:46 AM
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To many issues with NGKs, We have not had any problems with Autolites
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Old 01-06-2008, 04:04 PM
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I'm currently running TR55's, but I think Denso's are still the best.
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Old 01-06-2008, 04:08 PM
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im running TR55's and fouled a few out. so im going to replace them with a fresh set gapped at.040.
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Old 01-07-2008, 08:33 AM
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im running AC Delco platinums used on LT4 motors direct from GM
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Old 01-07-2008, 08:00 PM
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well okay....i just ordered my MSD cap and rotor kit, msd 8.5 MM wire set, and NGK TR55's. thanks for the input guys!
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Old 01-07-2008, 08:02 PM
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I run autolites
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