What do I need to put a Ford 5.4 in were a 4.6 used to be.?

  • Thread starter Thread starter Totem T
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Totem T

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they are diffrent blocks, the van will be set up for a 4.6 so unless you are going to build your own motor mounts you will need to find a van that had a 5.4 in it and use those mounts, plus the intakes sat up higher on 5,4 so it might not clear under the doghouse, but other than that I don't see why it will not work.trans are the same
 
I have a van with a blown 4.6 that i bought. And I would like to tow a camper trailer with it and the 5.4 would get better gas mileage then the 4.6 . I have been told they are different but no one can tell me what the differences are.
 
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