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  #1  
Old 11-03-2011, 03:59 PM
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Default Best spark plugs for a 4.0 SOHC are...

Hey yall, I'm changing my plugs this weekend and I would appreciate your reviews and suggestions. Thanks
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  #2  
Old 11-03-2011, 03:59 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

stick with motorcraft/autolite...fords really dont like anything else
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  #3  
Old 11-03-2011, 04:01 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

^ x2
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  #4  
Old 11-03-2011, 04:02 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

Motorcraft
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  #5  
Old 11-03-2011, 04:08 PM
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Motorcraft
This ^^^


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  #6  
Old 11-03-2011, 04:11 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

I got Champions in mine. but i'll probably be switching to Motorcrafts once i Seafoam.
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  #7  
Old 11-03-2011, 07:10 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

Seafoam before you change your plugs, mark... it'll really "Wake her up".

Also, motorcraft. Some go platinum, I went basic motorcraft. It hated the bosch double platinums I had in it before.
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  #8  
Old 11-03-2011, 07:12 PM
2004 supercab xlt, 4.0
 
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Default Re: Best spark plugs for a 4.0 SOHC are...

I used the Autolite iridium plugs and after 12k miles no worries.
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  #9  
Old 11-04-2011, 12:54 AM
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Default Re: Best spark plugs for a 4.0 SOHC are...

Thanks folks, I think Motorcraft has a slight edge in the voting...

Quote:
Originally Posted by edgeman4.0 View Post
Seafoam before you change your plugs, mark... it'll really "Wake her up".

Also, motorcraft. Some go platinum, I went basic motorcraft. It hated the bosch double platinums I had in it before.
This sounds like a winner, thanks Drew.
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Torch Red 2004 Ranger Edge 4x4, 4.0 SOHC w/5speed manual, R7-8.8 LS 4.10 diff
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  #10  
Old 11-04-2011, 04:20 AM
Liking the Ford Ranger Forum
 
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Default Re: Best spark plugs for a 4.0 SOHC are...

When I purchased my 2005 4.0 4x4 back in June of this year...the new plugs I put in were Autolite AP5143....gap at .054...works for me..
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  #11  
Old 11-04-2011, 04:50 AM
Joshua 24:15

 
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Default Re: Best spark plugs for a 4.0 SOHC are...

Motorcraft Platinum or Double Platinum
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  #12  
Old 11-04-2011, 05:14 AM
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Default Re: Best spark plugs for a 4.0 SOHC are...

Go with motorcraft
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  #13  
Old 11-04-2011, 06:20 AM
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Default Re: Best spark plugs for a 4.0 SOHC are...

I run autolite APP103 guy at ford told me there the same plug just cheeper.
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  #14  
Old 11-22-2011, 02:15 PM
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Default Re: Best spark plugs for a 4.0 SOHC are...

What brand of wires would you guys recommend?
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  #15  
Old 11-22-2011, 02:17 PM
Joshua 24:15

 
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Default Re: Best spark plugs for a 4.0 SOHC are...

Motorcraft for everything man
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