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Old 04-18-2011, 08:44 PM   #37
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Quote:
Originally Posted by "G" View Post
Uhm ok? So what's the point of your post????? You changed your plugs and? I'm just trying to wrap my brain around your point?

Fyi denso and ngk make very good iridium plugs. You can't go wrong with either.
If you mean me (the OP), I like to share pics and the procedure with other members to benefit the community overall. The "point" is to perhaps help others with my crappy pics and brainless thoughts about the experience of doing the job.
Are you "happy" now, can your brain start wrapping yet???
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Old 04-18-2011, 10:45 PM   #38
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Point is , the iridium is not a miracle plug , needs to be replaced sooner than 100,000 miles . Replace at what mileage you feel comfortable with by doing it yourself or a trusty mechanic . Have used N.G.K. in past TOYOTAs with good results . Like posted before , had the DENSO iridium in a 2000 COROLLA changed with NGK iridium ( bought at A.A.P. ) by a service center at around 75,000 miles ( give or take ) and the car ran better . Little more pep and small gain in gas mileage . Even the other 1/2 noticed it .
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Old 04-18-2011, 10:52 PM   #39
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Yes, now I understand your point and post. Basically a newb trying to help out other newbs who are just learning how to change their own plugs.

Quote:
Originally Posted by auxmike View Post
If you mean me (the OP), I like to share pics and the procedure with other members to benefit the community overall. The "point" is to perhaps help others with my crappy pics and brainless thoughts about the experience of doing the job.
Are you "happy" now, can your brain start wrapping yet???
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Old 04-18-2011, 11:08 PM   #40
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Yeah, that's it, you got it...really!
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Old 04-19-2011, 12:07 PM   #41
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Toyota owns most of Denso and that's the reason why they use Denso plugs and other denso parts.

FWIW, My '02 Celica came stock with NGK plugs and they were perfectly fine.
I assume that Toyta used the NGK plugs whenerver there was a supply plroblem with the Denso plugs.
Personally, I do not know if they still use them.
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Old 04-19-2011, 12:42 PM   #42
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Dude they have not been a part of toyota for 62 years >> http://www.globaldenso.com/en/aboutd...ory/index.html Denso and NGK both bid on contracts to supply all automakers with their product from the factory. Denso happened to win the yaris contract. Nothing to do with ownership but rather dollars and cents. Denso and NGk also private label their products for toyota and numerous other auto companies. That is why if you buy from the dealer some will have denso on the plug but a different part # which is usually the toyota part #. Denso will also assign a different part # to signify that it is a toyota private label plug.
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Old 04-19-2011, 01:15 PM   #43
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Quote:
Wonder how the difference would be noticed if at all on a boosted motor...
The difference is whether or not you're going to have misfires under load. Gap is very important on an NA to FI engine. You can't just run the same gap spark plug.
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Old 04-19-2011, 10:15 PM   #44
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Quote:
Originally Posted by "G" View Post
Dude they have not been a part of toyota for 62 years >> http://www.globaldenso.com/en/aboutd...ory/index.html Denso and NGK both bid on contracts to supply all automakers with their product from the factory. Denso happened to win the yaris contract. Nothing to do with ownership but rather dollars and cents. Denso and NGk also private label their products for toyota and numerous other auto companies. That is why if you buy from the dealer some will have denso on the plug but a different part # which is usually the toyota part #. Denso will also assign a different part # to signify that it is a toyota private label plug.
Yes, they are an independent company and they must bid for Toyota contracts just like NGK, etc.
However, as I understand it, Toyota owns a large portion of Denso stock so, yes, Toyota owns part of Denso.
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Old 04-21-2011, 12:44 AM   #45
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What are the torque values for the plugs?
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Old 04-21-2011, 08:04 AM   #46
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13 lbs but some says 15 lbs
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Old 04-25-2011, 12:16 PM   #47
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just an update on denso iridium gap from my research.

bigger gap vs stock which is normal and the iridium part of it will compensate for bigger gap..no need to adjust but you can..
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Old 04-26-2011, 04:44 AM   #48
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HERE YA GO 120K ON 2007 YARIS H/B AUTO

OIL CHANGED EVERY 5K MILES
LUCAS F/I CLEANER EVERY 5K MILES
CHEVRON 92 OCTANE ONLY
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Old 04-26-2011, 09:16 AM   #49
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OIL CHANGED EVERY 5K MILES Not long enough per toyota.
LUCAS F/I CLEANER EVERY 5K MILES Not necessary.
CHEVRON 92 OCTANE ONLY Waste of money.
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Old 04-26-2011, 11:23 AM   #50
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Lookin' good .
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Old 04-26-2011, 01:23 PM   #51
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what the hell happened to this thread? lol, it started out so nice......

very nice plugs at 120k, those can almost be put back in and used for a while longer.


on my moms camry which is at just shy of 300,000km its only on its second set of plugs, firs set wernt changed untill almost 190,000km. the random plugs i put in still look very good.

my way of thinking are, plugs are plugs, trolls are trolls :)
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Old 05-02-2011, 07:51 AM   #52
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maybe its me BUt at 43k with a plug change car feels smoother throughout the gears and start up in the morning went from a 5-6 second crank to 2-3 seconds.....
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Old 05-02-2011, 08:29 AM   #53
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I'm cranking 1-2 seconds 80k km
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Old 05-02-2011, 09:12 AM   #54
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For smooth gears, spray the top of the gear box, the linkage, with WD-40. Smooth never tasted so smooth!
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