4.6 to 5.4 swap? BILL....HELP!!! - Power Hungry Performance Forum

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4.6 to 5.4 swap? BILL....HELP!!!

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1997 to 2003 F-150 4.2L, 4.6L, and 5.4L equipped F-150s

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#29

Mon, December 21st, 2009, 08:20 PM

RobbyMartin RobbyMartin is offline

Bacon King

Join Date: Sep 2009

Location: Yucaipa, CA

Posts: 69

I just read an article and "Power Improved Heads" are what gave these engines the extra HP and TQ starting in '99. I am glad I turned down the '97 engine and opted for a later model.

http://www.mustangandfords.com/techa...ord_modular_v8

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