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Old Mar 17, 2005 | 10:02 AM
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Default NGK Spark Plugs

I went to the parts store yesterday and was going to purchase some NGK 55. I know there are four types of this spark plug but does it matter which ones I purchase. The store only carries the V power ones. I am installing my headers so which plugs would work. thanks guys
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Old Mar 17, 2005 | 10:21 AM
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did you ask for TR55 plugs ? There were 2 types when i bought mine a 7$ plug and a 2.99$ plug. I went with the 2.99. no poblems
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Old Mar 17, 2005 | 12:39 PM
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I always use the V-Power TR55 (stock #3951)
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Old Mar 17, 2005 | 01:05 PM
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Originally Posted by 2001NBMZ28
I always use the V-Power TR55 (stock #3951)
Yep, just make sure it has #3951 on them
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Old Mar 17, 2005 | 04:28 PM
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get the cheap ones
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Old Apr 12, 2005 | 08:14 PM
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Originally Posted by 2001NBMZ28
I always use the V-Power TR55 (stock #3951)
Do these come pre-gapped or do you have to gap them to .050?

Thanks
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Old Apr 12, 2005 | 09:13 PM
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Always check the gap on any plugs you buy. Checked their site and they say stock gaps are .060 for 2001, .050 for 2000 for the same plug...don't know why???? I've always gapped mine at .055.
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Old Apr 12, 2005 | 09:24 PM
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Originally Posted by 2001NBMZ28
Always check the gap on any plugs you buy. Checked their site and they say stock gaps are .060 for 2001, .050 for 2000 for the same plug...don't know why???? I've always gapped mine at .055.
Thanks man
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Old Apr 13, 2005 | 09:54 AM
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TR55 are for naturally aspirated cars and TR6 are for turbo nitrous and supercharger cars

Last edited by TurboTransAm; Feb 2, 2006 at 08:02 AM.
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Old Apr 13, 2005 | 10:11 AM
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Originally Posted by TurboTransAm
TR56 are for turbo nitrous and supercharger cars
You mean TR6 aka 4177
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