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Spark Plug Question

Old Dec 6, 2004 | 10:53 AM
  #11  
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Mike, id run ngk's, thats what im going to be putting in my HD in a week or 2, im gapping them tighter tho, like 40 jmo,
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Old Dec 6, 2004 | 11:06 AM
  #12  
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Originally Posted by Flyer
5's not 55's. The 55's are one heat range colder than stock. The 5's will have the right gap out of the box. If you just want to gap them though I think 50 or 55 thousandths would be a good.
I PUT THE 55'S IN MINE. IT SEEMS TO BE FINE.WILL IT HURT ANYTHING RUNNING THEM SORRY DIDNT MEAN TO JUMP IN ON YOUR POST
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Old Dec 6, 2004 | 11:12 AM
  #13  
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it wont hurt, i think they might foul sooner tho
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Old Dec 6, 2004 | 11:22 AM
  #14  
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Originally Posted by Noyzee
it wont hurt, i think they might foul sooner tho
THANKS I GUESS I JUST NEED TO CHANGE THEM OUT. I JUST PUT THEN IN LIKE 4 DAYS AGO.
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Old Dec 6, 2004 | 11:43 AM
  #15  
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you'll be fine for a while. but im guessing about 5-10k miles
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Old Dec 6, 2004 | 11:47 AM
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The idle will be a little rougher ... THey will last a good while though.
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Old Dec 6, 2004 | 11:50 AM
  #17  
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Thanks I Just Got The 5's. How Long Should They Last.OH YEAH WHAT SHOULD I GAP THEM AT. SORRY TO ASK ALL THESE STUPID QUESTIONS. IM KINDA NEW TO ALL THIS
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Old Dec 6, 2004 | 02:22 PM
  #18  
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i run the tr55's and they last a lot longer than 5 to 10K. i think my last set went at least 30K plus.
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Old Dec 6, 2004 | 02:58 PM
  #19  
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Thanks John I Decided To Just Leave The 55's In Till They Die. Ill Still The 5's In My Tool Box
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Old Dec 6, 2004 | 04:18 PM
  #20  
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delco iridium plugs are made by ngk so i dontknow here you got that crap from, go buy a plug and read the side of it.
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