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tnvolsfootball

08-16-2014 01:53 PM

engine swap

want to put a1998 4.6 out of a 4x4 f150 in a 2000 4x4 f150 that has a bad 5.4 in it. what do I have to change to make it work. besides the exhaust thanks

Bluegrass 7

08-18-2014 10:01 AM

The ignition is not the same, the harness is not the same, the program in the PCM is not for a 4.6 as far as ignition timing curve as well as the fuel curves.
You have more hassle than just setting the motor in place.
Good luck.

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