 Iridium Spark Plugs, Denso or NGK?? |
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 Aug 12, 2003 - 6:56 PM
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Enthusiast  Joined Jun 26, '03 From Los Angeles Currently Offline Reputation: 0 (0%)  |
I tried searching for useful info, but to no avail. I have one decision to make. I know some people have had luck with the Denso Iriduim's. How about the NGK iridiums? they are are few dollars cheaper (each) and I believe they put out the same amount of performane. But what do u guys think. I should have really made this a poll, but oh well. Denso Iridiums or NGK Iridiums? If you have either please let me know how they work.
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Aug 12, 2003 - 7:04 PM
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 Administrator Joined Aug 23, '02 From Seattle, WA Currently Offline Reputation: 14 (100%) |
I have some NGK Iridiums sitting in the back of my car that are for my new AE101 4A-GE engine, and I've heard good things about them. I read up about both of these plugs on Club 4AG, and basically, I found that most people were very happy with either spark plug, whether they're Denso or NGK.
-------------------- New Toyota project coming soon...
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Aug 12, 2003 - 10:28 PM
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 Enthusiast Joined Oct 1, '02 From Minnesota, USA Currently Offline Reputation: 0 (0%) |
Well, go with NGK. I've just always heard that for toyotas (as well as all other Japanese imports), try and stick with NGK plugs...then it's like for domestic cars you use Autolite, AC Delco, Champion...and for Euro imports go Bosch. It's kind of a basic guideline we go by at my work (Napa Auto Parts).
I had the Bosch plat+4, but don't use those. They get too hot. Use the NGK iridiums. Uhm, stock number is 3764...but if they don't have that. Have the place cross reference the NGK number BKR6EIX-11. There ya go. Input from someone who works for Napa. I guess some other people may have other input...but this is all I can say. -------------------- 95 Toyota Celica GT
Dead for now --> Soon to have a 3S-GTE 02 WRX --> This is for speed - Borla Exhaust - TurboXS BOV - Custom CAI 02 Civic EX - MB Quart Reference 5.25" Components - Rockford MTX 8" Subs in the doors - Alpine Type S Rear Fills - 2x Alpine SWR-1042D Subs in a custom fiberglass box - Alpine F345 Amp for the front doors - Alpine M605 on each Type R - Phoenix Gold wiring - Alpine CDA-9855 Head Unit - Alpine Amp link - 2x Rockford Fosgate 1 Farad Caps - The best Viper 791 alarm install ever |
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Aug 14, 2003 - 11:03 PM
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Enthusiast Joined Jun 30, '03 From Illinois Currently Offline Reputation: 0 (0%) |
well said snadman. i have had good luck with the ngk iridiums. the ngk high performance wires are nice too. i noticed i slight increase in performance.
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Aug 15, 2003 - 12:29 AM
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 Enthusiast Joined Aug 29, '02 From ny to philly Currently Offline Reputation: 0 (0%) |
they are the same plugs. made in the same factory and everything.
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Aug 15, 2003 - 3:36 AM
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 Enthusiast Joined Apr 17, '03 From Cork, Republic of Ireland Currently Offline Reputation: 0 (0%) |
Yup that's right! I read that somewhere a while back, I have those Denso Iridium plugs in my own car and find them to be pretty good all rounders. Looking at the Denso website, They claim that they make a smaller plug tip than NGK currently have. But Denso soon stopped making them that small due to the fact that the plug life expectancy did not come up to an acceptable standard. If you were one of the lucky people to get the smaller tipped Densos before they stopped production then..  Otherwise, there should be no difference between the current NGK and Denso offerings. Word! |
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Aug 15, 2003 - 4:48 AM
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 Enthusiast Joined Nov 4, '02 From Hecho en la Republica Dominicana/Living in NJ Currently Offline Reputation: 0 (0%) |
aren't the toyota stock Spark Plugs NGK Plugs?
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Aug 15, 2003 - 11:08 AM
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Enthusiast Joined Oct 1, '02 From Minnesota, USA Currently Offline Reputation: 0 (0%) |
Yessir. See, Toyotas and Hondas both use NGK as their OEM plugs, then Mitsubishi uses Denso.
At least I think. I know I'm correct for sure on the Toyota and Mitsu's but on Hondas I'm not too sure. But if this is correct, then I guess it doesn't really matter. We don't sell Denso plugs, maybe it's for that reason alone...because NGK are exactly the same as Denso's. If that's the case, then I guess it's driver preference? OR whichever one is cheaper.
-------------------- 95 Toyota Celica GT
Dead for now --> Soon to have a 3S-GTE 02 WRX --> This is for speed - Borla Exhaust - TurboXS BOV - Custom CAI 02 Civic EX - MB Quart Reference 5.25" Components - Rockford MTX 8" Subs in the doors - Alpine Type S Rear Fills - 2x Alpine SWR-1042D Subs in a custom fiberglass box - Alpine F345 Amp for the front doors - Alpine M605 on each Type R - Phoenix Gold wiring - Alpine CDA-9855 Head Unit - Alpine Amp link - 2x Rockford Fosgate 1 Farad Caps - The best Viper 791 alarm install ever |
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Sep 2, 2003 - 2:26 PM
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 Enthusiast Joined Nov 4, '02 From montrose colorado Currently Offline Reputation: 0 (0%) |
they r the same plug. if u ever get the chance u probably won't but on a tacoma from the factory they put ngk's in one bank and denso's in the other bank. get the cheap one's.
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Sep 2, 2003 - 9:04 PM
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 Enthusiast Joined Feb 10, '03 From Connecticut Currently Offline Reputation: 11 (100%) |
Nippon Denso and NGK both came stock on Toyotas. In my car i have Denso's on their way out so i decided to go with the NGK's to try them. They're also like $3 per plug, opposed to the $10 per Denso plug.
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