Spark Plug Change on 2004-Early 2008 5.4 3V

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Jun 6, 2011 | 09:11 AM

#61

88racing

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Joined: Apr 2009

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From: In the fast lane from LA to Tokyo...

Quote:

Originally Posted by bubbajoe28

88,

What is the recommended Motorcraft plug? SP507,sp515? Is that SP462 plug in your picture above used in the 5.4? It looks like the basket hoop is longer and less of the electrode shield is actually in the combustion chamber.

Bubba

They're for a mustang 4.6 3v.....I just use that pic as a reference to show the differences....you are correct ....sp507 or sp515 is for the 5.4 3v

Jun 14, 2011 | 06:33 PM

#62

LIMITED042

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Joined: May 2011

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So what is the difference between the SP507 and SP515 ? Is one hotter ?
Which one is better for the 2008 5.4 ?

Jun 14, 2011 | 06:37 PM

#63

bubbajoe28

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Joined: Jan 2008

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From: Vancouver, Canada

Quote:

Originally Posted by LIMITED042

So what is the difference between the SP507 and SP515 ? Is one hotter ?
Which one is better for the 2008 5.4 ?

Sp 507 is a single platinum, and the SP515 is a double platinum. You need to check your COPS to see if you have brown or black ones to determine which cyclinder heads you have.

Jun 15, 2011 | 12:44 PM

#64

LIMITED042

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Joined: May 2011

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Thanks for the info Bubba, I have the black ones.

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