5.4L Ford GT CYLINDER HEADS - Mustang Evolution

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Old 12-20-2007, 03:57 PM   #1
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5.4L Ford GT CYLINDER HEADS

will those fit on a 4.6? and if so is the 2 grand investment worth it?
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Old 12-21-2007, 05:12 AM   #2
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Re: 5.4L Ford GT CYLINDER HEADS

I know they'll bolt on to a 4.6 block, but the manifolds for either the 4.6 or 5.4 will not if I'm not mistaken. I think the 4.6's have a bigger gap inbetween the intake runners than the 5.4's do. Don't quote me on this though.

This is the best info I can find on the subject.
FR500 Heads or Port Stock - SVTPerformance

EDIT: I have also heard that the Ford GT/GT500 heads flow a little bit to well for the 4.6's displacement, atleast for a streetcar. Again I don't know this to be fact just what I've read from researching this topic before.
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Old 12-27-2007, 06:34 PM   #3
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Re: 5.4L Ford GT CYLINDER HEADS

thanks,the info has proved useful
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