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Re: Switching 5.4 to 4.6 in 2007 ford F 150
Posted to Technical Discussion Forum on 7/21/2014

Kevin, you would have to double check the wire diagrams to be sure. I am thinking they are going to be very close. Your current PCM should be used and someone who has Ford tuner software change the tuning software. If you were to get a used PCM and installed, ... Login to read more.