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Spark Plugs

Discussion in 'General Tech and Maintenance' started by CRX-YEM, May 13, 2003.

  1. CRX-YEM

    CRX-YEM Super Moderator Moderator VIP

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    Well I've been using NGK platnium plugs for a while now and took them out to inspect the plugs see how the motors been running. and I had a new set of NGK Copper and desided to install those instead. man what a difference, the engine idles better smoother accelleration and at $1.89 a plug I'm sold even if I have to change them more often. I'm done with platnium plugs fookin overpriced garbage (except they do last longer)
     
  2. E_SolSi

    E_SolSi Member of the 20 nut club Moderator VIP

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    the life of the plug is the only advantage platinums have ... copper is a far better conductor so it provides more power and better opperation
    platinum just lets beople feel all bling bling ;)
     
  3. GSRCRXsi

    GSRCRXsi Super Moderator Moderator VIP

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    arent the platinum better for high hp and highly boosted engines cause dont the copper ones melt or something, i could be wrong but i thought i heard that one somewhere
     
  4. CRX-YEM

    CRX-YEM Super Moderator Moderator VIP

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    I highly doubt the copper plugs melt.
    but when your using Nitrous you usually use a colder plug,
    colder as in heat range to prevent detonation.
     
  5. K2e2vin

    K2e2vin Senior Member

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    i think the copper plugs can melt...but they are better than platinum. i think they should start making gold plugs.
     
  6. D See 2

    D See 2 Senior Member

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    fuck that, how about plutonium plugs!
     
  7. sportlinecrx

    sportlinecrx Banned

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    haha. i just saw this topic about an hour after i got done testing some bosch platinum plugs on my crx. i saw a dyno comparison at www.importreview.com where they got a 1-2whp increase with Bosch platinums over NGK V-series (copper) plugs. so i picked up a brand new set of bosch platinums, gapped them to factory spec, put them in and test drove them. i immediately noticed a decrease in responsiveness and power! i quickly replaced them with my old NGK v-series plugs that have about 10-12,000 miles on them, and instantly felt that the old power was back. its a pretty big difference. i also noticed that at idle my car seems to growl with the ngk's (i have a modified exhaust).

    cliff notes: NGK V-series (copper) ownz Bosch Platinums ....and www.importreview.com's dyno test must be flawed.
     
  8. HatchSpeeD

    HatchSpeeD ...Hi...

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    What about them new iradium plugs or whateva the heck they are? Those vs. copper?
     
  9. dohcvtec_accord

    dohcvtec_accord WRX Sellout

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    I used platinums for awhile since they're factory spec for a Prelude. They gave me shite performance, so I switched out to NGK V-power's. I'll be trying some colder NGK's here in a few weeks, and I can give a little report on those.
     
  10. 97civic

    97civic Member

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    the denso irridium (however the hell you spell it) ones i've heard to be the best never used copper ones i have plain old ngks in mine right now the downside to the irr.. you know there damn expensive i went to honda and the want like 30.00 a plug i was like whoa can i get those on lay away or some shit ;)
     
  11. CRX-YEM

    CRX-YEM Super Moderator Moderator VIP

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    Then yes you have, 99% of standard plugs use a copper core

    Now a plug that would kick hella ass but would corrode like a mofo would be silver, silver is the #1 condutor of electricity. It oxidizes very quickly which is why it's not used except in controlled environments.
     
  12. sportlinecrx

    sportlinecrx Banned

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  13. acurabdby

    acurabdby Member

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    Hey man i agree w/them I used bosch platinum and got shit mileage out of them not even 200mpg then i put in the NGK V-power and there it was! All my old power. So if it was me I'd stick w/stock....however i've never tried irridium, bu for the price it isn't worth it either $30 a plug my ass!

    Platinum plugs are for german cars and V-8's.
     
  14. CRX-YEM

    CRX-YEM Super Moderator Moderator VIP

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    I just looked at the Dyno chart and for a whole

    Horsepower: 3 fwhp (peak), 5-6 fwhp (througout entire RPM range)*
    Torque: 7 lb-ft (peak), 5-7 lb-ft (throughout entire RPM range)*

    I think spending $120 on plugs is useless. compaired to $7.56 for Copper.
    not a big enough gain to spend that kinda cash.


    I wish I got 200MPG.
    I think you mean 200 miles per full tank of gas. or 20mpg

    with the copper my gas milage has increased back up to about 35mpg
     
  15. acurabdby

    acurabdby Member

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    Yes Yes I was wrong i meant to say 200 mile per tank...my bad good looking out bye the way lol! :blink:
     
  16. ovcrash

    ovcrash Senior Member

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    Maybe a little out of topic...anyways..
    what spark plugs wires do you guys use? what is the best wires?
     
  17. dohcvtec_accord

    dohcvtec_accord WRX Sellout

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  18. ovcrash

    ovcrash Senior Member

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  19. wildbillhatchbac

    wildbillhatchbac the OG VIP

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    CRX YEM you seem to know your spark plugs very well . . . i myself have tried many different types of plugs

    bosch platniums - run strong for a week or two and start to foul
    bosch plus 4s - same results
    champion - only work good in 70s dodge products :huh:
    NGK platiniums - ok no difference noticed except a sputtering idle

    NGK coppers . . . for hondas are number 1 in my opinion hands down ( :worthy: )

    and about copper plugs melting. . . if they melt in your engine, you have some major tuning issues. . . i used copper plugs 2 heat ranges lower while using my ZEX kit (thats what is recommended by ZEX) and had no probs
     
  20. BigJ

    BigJ I'm just about that action Boss. VIP

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    Yeah, I believe they are 10 dollars a plug not 30 for denso irridium's but I could be mistaken. But seriously for a 7 ft lb gain 40 bucks would be well worth it in my book. Nopi has them and I am kind of wondering about the ngk iridium's and how they match up to the good idle and stock form of the v powers.
     
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