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Spark plugs.

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  #31  
Old 07-24-2010 | 12:44 PM
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Originally Posted by hounddogg
NGK platinum iridium is the direct replacement for the plain NGKs.That is what I'll use.All it takes is a little anti seize lube on them to prevent seizing in the head.I'll run them 60k and pull one or two to check wear.If OK I'll run them 90k if I have the truck that long.The difference is in the metal used in the tip.The platinum iridium does not wear as fast so longer run time.
You still don't get it, do you?

Originally Posted by hounddogg
Here is the NGK site.www.ngksparkplugs.com Plug number is plzfr5b13e2 with a .044 gap.There is also a tech assistance phone number etc.
You have not read your manual have you. I don't care what NGK says. They don't have to warranty the vehicle. Until Dodge lets us all know its okay, (Letter on Dodge letterhead) it would be plain stupid to put in any plug other than whats recommended.

Originally Posted by lasstss
This is interesting, the real reason platinum's are used is that the manufactures found another item that they dont have to replace (usually) under warranty. They also know that most people dont take car of their cars and run them on regular gas. Hence they are detuned. For performance plat plugs are just OK. The electrodes are small. Switching to a conventional correct heat range copper core plug usually make the throttle response snappier. Especially with injected cars. There is now way just a plug can screw up a warranty unless you put in a plug that is not the same spec and it whacks a piston/. A good set of conventional NGK's will work great. Of course if they are not made to fit, youre out of luck. Plugs should be changed anyway after 30k the engine will just run better. IMO
Never heard of plugs getting changed on a warranty. Regardless of the plug.

Originally Posted by hounddogg
Lots of new vehicles plug change is 100k. I've owned such.Have had plug's come out still OK gap wise and wear was minimal. Going to put platinums in my 09 at plug swap.
Thats right. My last two Fords had 100,000 mile plugs. And they lasted until 100,000 miles. Give or take a few miles. This is a bunch of BS. If I had known what I was buying I would have went with the 150.
16 spark plugsEven I would not design any vehicle like this vehicle.
 
  #32  
Old 07-24-2010 | 01:15 PM
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Due to the TYPE of plug,replacement is 30k.Platinums don't have a 30k life.Its like 2 or three times that mileage.Fixing to alter that just like a different brand of tire.
 
  #33  
Old 07-26-2010 | 08:42 PM
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My manual still says my 5.7L hemi takes Yttrium plugs =\ why is everyone else talking about copper and platinum?
 
  #34  
Old 07-27-2010 | 12:05 AM
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On the NGK site that what they say is used in the 09 and 010s.They did mention that previous year 5.7s had iridium?
 



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