ok i am wanting to buy a 2004 5.4L 3valve engine with less than 1,000 miles on it and put it in my 98 f150 4x4. i need to know what i need to put this motor into my truck. will it bolt right up to my transmission? will i need a new computer and if so what computer should i be looking for?

im serious about all this information so please be accurate and tell me everything that is needed to do this right cause i dont want to screw it up.

thanks guys in advance for all you help and information.
thanks you
Micah

 

I hope you're good with computers, cause if not you're screwed. The main problem is that the new 3v is throttle by wire, so it's all electronic.

 

thats fine. but i need to understand how it works and what im up against. i am very mechanicly inclined but once in a while i get a chalange. so tell me more about the wiring and how the computer works on it please

 

It's way out of my league and more than I understand or know, but your best bet would be to do a search for 3V swap or something like that.

 

Same bolt pattern for the tranny so you're good there. Can't help ya on the computer end. Might want to get the full ford wiring service manual.

Adrianspeeder

 

maybe you could swap throttle body or make an adapter for your original to bolt up to that 3v intake?

 

You would be the first to do it. I could think of a few things you will be up against.
The Drive by wire throttle control. Substitute/fab adapter to fit TB from your engine with the tps.
Variable cam timing. As it is a linier control not just an on off system you will need to find a way to control this or shut it off. This is a big player in the increases torque and HP of this engine.
Charge Motion Control Valves These are an electronically controlled metal flap at the end of each intake runner. You could possible wire up the IMRC valve plug to run these.

You could get all the wire harnesses from a doner truck and splice them into your truck.

Your best bet would be to sell it and get some performance heads that will add a bout 60 hp to your truck. Contact Mike Troyer for more insite on the issues.

JMC

 

You'll also have to refab the fuel system from return to returnless for the 5.4 3V.

Ain't worth the time or effort. In the end, I think you're just gonna have a bunch of parts and a truck that runs ill, if at all.

 

the new 5.4 3v's arent to much more powerful... and have alotta problems.. i wouldnt swap that thing in there till they work the bugs out of it.. just get some heads and cams and save urself some headache

 

Worked for Ford for over ten years. DONT DO IT! It sounds good, but the engines aren't even worked out yet. I just put both cam phasers on a truck today at work for the knock noise. UNDER WARRANTY! Probably at least a 1200 dollar repair if it was paid for.

Robbie