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  #1  
Old 02-02-2008, 09:14 AM
highboy75 highboy75 is offline
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Is there a performance head for a 5.4

I have a 99 f150 5.4 4x4. I'm getting the ticking lifter type sound with an intermittant miss. I suspect something in the valve train is getting ready to let go. If it does I'd just have it changed to better flowing heads. I saw in Summit that ford has a performance head for the 4.6 for less than $400. Is this the correct head for a 5.4 also? I saw the heads in a print catalog in the stang section
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Old 02-02-2008, 12:30 PM
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Ford is the only one that makes the modular heads! What you saw on Summit was probably a PI head/performance improved head!
You already have PI heads on your 99 5.4.
Now,,you can have them ported and put better cams in and make more power but its not cheep!
I'm waiting on a set of heads now from here. And I'll be putting custom ground cams in from Comp Cams.
http://www.totalengineairflow.com/pr...ad/ford46pi2v/
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Old 02-02-2008, 01:41 PM
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Patriotperformance also takes the '03 8 thread PI heads and ports and polishes them out for around $1200 a set.
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Old 02-02-2008, 01:51 PM
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Yes Patriot is the lowest price for head work that I have found.
I just sold my Patriot heads and cams(stage 2) But they were not 8 thread heads!
So be sure to specify 8 thread when ordering if that's what you want!
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Old 02-06-2008, 11:49 AM
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Old 02-08-2008, 08:23 PM
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[QUOTE=phil6608]Ford is the only one that makes the modular heads! What you saw on Summit was probably a PI head/performance improved head!
You already have PI heads on your 99 5.4.
Now,,you can have them ported and put better cams in and make more power but its not cheep!
I'm waiting on a set of heads now from here. And I'll be putting custom ground cams in from Comp Cams.
http://www.totalengineairflow.com/products/fordhead/ford46pi2v/[/QUOTE]

Would my '02 Expedition 5.4L also have the PI heads?
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Old 02-09-2008, 01:07 AM
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phil6608 phil6608 is offline
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[QUOTE=ExpySport]
Quote:
Originally Posted by phil6608
Ford is the only one that makes the modular heads! What you saw on Summit was probably a PI head/performance improved head!
You already have PI heads on your 99 5.4.
Now,,you can have them ported and put better cams in and make more power but its not cheep!
I'm waiting on a set of heads now from here. And I'll be putting custom ground cams in from Comp Cams.
http://www.totalengineairflow.com/products/fordhead/ford46pi2v/[/QUOTE]

Would my '02 Expedition 5.4L also have the PI heads?
Yes it would!
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L-conversion/Kenne Bell upgrade blower at 16PSI/BTS,4R100 tranny/100 shot nitrous.
594HP/620TQ Without the Nitrous 1.68 60' time/11.76 @ 116.17 with the 100 shot.
Join the the Delaware Chapter, HERE
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  #8  
Old 02-10-2008, 08:23 AM
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[QUOTE=ExpySport]
Quote:
Originally Posted by phil6608
Ford is the only one that makes the modular heads! What you saw on Summit was probably a PI head/performance improved head!
You already have PI heads on your 99 5.4.
Now,,you can have them ported and put better cams in and make more power but its not cheep!
I'm waiting on a set of heads now from here. And I'll be putting custom ground cams in from Comp Cams.
http://www.totalengineairflow.com/products/fordhead/ford46pi2v/[/QUOTE]

Would my '02 Expedition 5.4L also have the PI heads?
Putting heads from a smaller displacement engine to a larger displacement engine can raise the compression ratio too high. Just because they fit don't mean they work.

Your 02' Expedition should be 4v heads and they flow enuff stock.

Comp Cams stuff is the best-not cheap. I priced a pair of replacement of ported 2v heads for my 02' 5.4L F-150 complete with Comp Cams valve gear and cams for $2500. Just R&R and stomp the gas.
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Old 02-10-2008, 11:20 AM
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bbender85 bbender85 is offline
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Quote:
Originally Posted by kaboom10
Your 02' Expedition should be 4v heads and they flow enuff stock.
really? i thought those were only on the Navigator.
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Old 02-10-2008, 11:39 AM
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Quote:
Originally Posted by bbender85
really? i thought those were only on the Navigator.
Oops my mistake you're right.
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Old 02-10-2008, 11:39 AM
 
 
 
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