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Discussion Starter · #1 ·
I'm pulling the motor out of my sons 08 f150 4x4 after a rear end hit. I want to swap out my v6 for the 5.4 It has everything I need as far as the motor,trans,wiring harness and com. My question is what else is there? Will I need to find a driveshaft to fit it? Will the rear end hold up to the power? And what about the front springs, that motors alot heavier than the v6? We are going to a posi locker in the back but is that just a waste of time? I really dont have a time frame to get it done. By summer is my goal. The motors coming apart for the winter and I shooting for 600+ with nos out of it. Ive seen it done on the youtubes and it look like it we wont have to many install problems but I dont want that $600 surprise.
 
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