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post Feb 7, 2011 - 5:58 PM
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Arctic

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Hi
I`m looking for a iriduim spark plugs for my celica. Could anyone tell me with sure what should be the heat range (I`m talking about NGK). The engine is 3s-ge!
Thanks!
 
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post Feb 9, 2011 - 11:54 AM
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4-eyed-freek



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as long as you get the right plug you dont need to gap iridium plugs, bad things can possibly happen if you try to gap your own iridium plugs. or platnum. as far as i know copper you can gap and everything will be ok.


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post Feb 11, 2011 - 3:33 PM
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HectortheRican



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QUOTE (4-eyed-freek @ Feb 9, 2011 - 10:54 AM) *
as long as you get the right plug you dont need to gap iridium plugs, bad things can possibly happen if you try to gap your own iridium plugs. or platnum. as far as i know copper you can gap and everything will be ok.

Like I said in my other spark plug thread. Pre-gapped plugs are never accurate. My NGK platinum plugs were "pregapped", I measured it, and they all had a gap between 0.034-0.035. My ST needs a gap of 0.028. Skyler is right though, bad things can happen if you try to gap platinum or iridium plugs, but with a traditional gapper like this one.


But if you use a wire gap tool like this one,


you'll be able to gap a delicate platinum/iridium plug with no problems. Pre gapped plugs are a myth.

Personally, I like to have both tools. I like to use the traditional one to measure the gap (I find it easier than meauring with the wires) but the wire tool to actually gap the plugs.

This post has been edited by HectortheRican: Feb 11, 2011 - 3:37 PM


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