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Best spark plugs..

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Old Apr 4, 2008 | 10:41 AM
  #1  
beforeiforget761's Avatar
beforeiforget761
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Best spark plugs..

I have 51,000 miles on my 2004 F-150 4.6L V8

Im planning on changing my spark plugs.. hopefully pickup some lost gas mileage.

Any recomindations on spark plugs?


Also, I've read people having problems with removing their spark plugs on their 5.4L.. should I have any problems like that (or any problems at all) when I change mine?
 
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Old Apr 4, 2008 | 11:08 AM
  #2  
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i have motorcraft in my 300 I6.Id go with motorcraft just because it is made for ford
 
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Old Apr 4, 2008 | 12:22 PM
  #3  
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NGK makes one hell of a plug. thats all we use in the boat business all of our trucks at my shop have em in their engines.
 
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Old Apr 4, 2008 | 03:29 PM
  #4  
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Originally Posted by tjthegreat
i have motorcraft in my 300 I6.Id go with motorcraft just because it is made for ford

GOD BLESS YOU!

order something from me and I'll give you a little extra something to show my appreciation!

Ed
 
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Old Apr 4, 2008 | 03:43 PM
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Best I've found are the Autolite HT1, might also think about ordering special from Rotunda #303-1203 along with some AeroKroil, you may not need it but if you get a plug the sucks, you'll be thankful of that expensive little tool. Good Luck and please keep us posted.
 
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Old Apr 4, 2008 | 06:44 PM
  #6  
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chetlogan
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I used Brisk one-piece plugs. Perhaps not as good a plug, but definitely less of a risk to break off in the head.

CW
 
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Old Apr 4, 2008 | 07:46 PM
  #7  
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Champion just released their one-piece design. The Champion part number is 7989.
 
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Old Apr 4, 2008 | 07:56 PM
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Originally Posted by kd4crs
Champion just released their one-piece design. The Champion part number is 7989.
So is this "one piece" a new design and be a stronger plug with a greater chance of (not) breaking?
 
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Old Apr 4, 2008 | 08:08 PM
  #9  
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Yes. The jam nut and ground shield are all one piece so there is nothing to come apart.
 
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Old Apr 4, 2008 | 09:38 PM
  #10  
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Id go motorcraft to thats just men
 
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Old Apr 4, 2008 | 09:39 PM
  #11  
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I would go motorcraft thats just me though
 
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Old Apr 5, 2008 | 05:54 AM
  #12  
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Go with the best design, motorcraft-ford f-ed these up from the get go, they usually do a good job fixing something they f-ed up on the engineer side. It's all a matter of opinion when it comes down to it......
 
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Old Apr 6, 2008 | 12:27 PM
  #13  
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Originally Posted by Dustin1690
I would go motorcraft thats just me though
Of course...you're talking about the ones that at times can come apart in the head.
 
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Old Apr 6, 2008 | 01:18 PM
  #14  
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if champion made a 1 piece why would anyone not use that????? just changed my plugs... breaking two of them, but now will probably pull them out with 2000 miles on them and swap them out for champions. plan on keeping the truck for a while, don't want issues down the road
 
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Old Apr 6, 2008 | 02:55 PM
  #15  
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I got all mine out without breaking any, but why would I want to put myself through that stress again? It will be one piece plugs for my 5.4 from now on. Russ
 
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