S2000 Under The Hood S2000 Technical and Mechanical discussions.

Spark plugs for Vortech

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Old Jun 4, 2004 | 02:40 PM
  #11  
s2000 Veilside's Avatar
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Can someone help me? I cannot take the crank pulley bolt off. I have tried almost everything, including torque wrench and breaker bar. I cannot find LOCTITE anywhere.
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Old Jun 4, 2004 | 02:46 PM
  #12  
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The 7173's are R5672A-8's. 7173 is the NGK stock #.

As far as removing the pulley, you need the crank pulley holder. Either borrow or buy the Honda special tool, borrow or buy the similar tool Moroso sells, or find another equivelent tool from Autozone, Snap-on Mac, Etc. Yes the bolt is on very tight, and it has standard threads. Turn left to loosen.
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Old Jun 4, 2004 | 03:23 PM
  #13  
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chris, would you recommend the R5671A-10's ?
I need to order some new plugs
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Old Jun 4, 2004 | 08:54 PM
  #14  
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I've never run a plug in the 10's, I have run R5672A-9's, when dealing with detonation issues. I never ran them hard enough or long enough to see how they would perform long term. The 9's looked normal when pulling them after 800miles or so. Since they had no effect on the detonation I swapped back to the 8's.
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Old Jun 4, 2004 | 09:08 PM
  #15  
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thanks chris
will give the 9's a try
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Old Jun 15, 2004 | 07:09 PM
  #16  
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[QUOTE]Originally posted by s2000 Veilside
Can someone help me?
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Old Jun 29, 2004 | 01:06 AM
  #17  
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Do the copper Spark plugs last longer at all? i have the Vortec SC and i am looking for better spark plugs.
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Old Jun 29, 2004 | 08:52 AM
  #18  
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Originally posted by Calwizzy
Do the copper Spark plugs last longer at all? i have the Vortec SC and i am looking for better spark plugs.
Copper spark plugs for this application (and most applications) last the shortest. That's one of the reasons platinum plugs came along. Copper gives better spark but poor life, platinum gives better life but not as good a spark. Then comes Iridium, which is supposed to give back some of each.
I used the stock re-gapped platinum plugs with my Vortech for over a year. It's a daily driver and they worked just fine. I've recently been trying out the NGK copper "V" racing plugs, one heat range colder and they also work fine but I can't honestly say I can "feel" a difference. I have Denso IK-24's waiting to go in when I think the coppers have done all they can do.
Just as important as the type of plug to use in this application is the gap to use.
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Old Jun 29, 2004 | 09:05 AM
  #19  
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What gap are you setting your plugs to, Xviper?
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Old Jun 29, 2004 | 09:23 AM
  #20  
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Mine are at 0.034". I've seen it as low as 0.028" but unless you drive the car at its limit a lot of the time, this (IMO) is too small. They'll foul too soon and need replacement. I ran with the current gap (OEM plugs) for over a year. The car ran well as a daily driver and performed well when pushed. They never fouled in that time. So far, on the short term (3 to 4 months), with the same gap on the copper plugs, same observation.
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