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Old November 20th, 2008, 06:50 PM   #1
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Default 5.4 Conversion

Most people would think it crazy, but has anyone done a 5.4 ford conversion? I have been looking for a 5.3 gm and came across a 2000 expadition that all the body parts are junk on. It is a 5.4, automatic, 4x4 with about 105,000 miles, still runs and drives. I like fords so this would be cool unless it is going to be unfavorable compared to a 5.3 (they are simular in power I believe). It would be going in a jEeP.

Please share your thoughts.

Also:
1. What transfer case options would I have (it has an electric shift one now)?
2. What tranny would this be?
3. Dificulty leval to modify wiring harness?

thanks alot
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Old November 21st, 2008, 08:46 PM   #2
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I do believe the trans is a 4R70W i have a 97 and thats the trans it has. the have manual transfer cases but dont remember the one behind that trans. an AODE trans will also bolt the the motor
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Old November 21st, 2008, 09:24 PM   #3
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do it and then i will
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Old November 22nd, 2008, 01:26 AM   #4
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sounds like a decent plan, however i would shoot for an M-112 equipped 5.4. (lightning)
i was considering this idea for an engine transplant awhile ago myself.
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Old November 24th, 2008, 08:02 AM   #5
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The info. I got from looking around was the 5.4 is larger in size than a big block. Also, there is not much information to be had on conversions, I found one guy who put one in a ranger (3 plus year build). Although I would love to do it, I think I am going to stick with the 5.3 plan???

Anybody interested in a good deal on a 5.4 drivetrain?
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Old November 24th, 2008, 10:37 AM   #6
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I would personally do a 351W or C. So many aftermarket parts to make it perform however you want. You can find these engines cheap.
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Old November 25th, 2008, 08:37 AM   #7
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what type of price are we looking at for that truck? I have a 97 and looking to do the PI head upgrade. Please pm me with details.
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Old November 25th, 2008, 08:57 AM   #8
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there are a lot of Ford motors I love and would consider swapping into other rigs. A NA 5.4 isn't even close to being on the list.
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Old November 25th, 2008, 10:54 AM   #9
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Quote:
Originally Posted by Bones View Post
there are a lot of Ford motors I love and would consider swapping into other rigs. A NA 5.4 isn't even close to being on the list.
agree 100%
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Old November 25th, 2008, 11:01 AM   #10
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Quote:
Originally Posted by Bones View Post
there are a lot of Ford motors I love and would consider swapping into other rigs. A NA 5.4 isn't even close to being on the list.
Not to hijack, but why not?

I'm sorta looking at new trucks and am starting to like the F-150. I'd be curious about your reasoning on the 5.4.

What about the 4.6 in an F-150? I have a 98 Grand Marquis with 150K+ and that 4.6 sounds and runs like it has 15K intead of 150K. I'm pretty happy with it...
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Old November 25th, 2008, 12:27 PM   #11
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Don't get me wrong, the 5.4 in a F150 is fine. I just wouldn't go through the trouble of trying to get it to work in another vehicle.

If you insist V8, I would look to a Lincoln Mark VIII or a Lincoln Continental
It is an all aluminum 4.6L motor, basically a Mustang Cobra motor, detuned for a quiet intake, exhaust and to give the transmission a fighting chance.

I personally still swear by my supercoupe motor. 3.8L V6, supercharged from the factory. Can be had in both autos and manuals, so PCMs are easy to use without the high cost of getting them programmed. 230 hp, 330 ft lbs out of the box, and very easy to turn up from there.
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Old November 25th, 2008, 01:53 PM   #12
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the 5.4 is just a big heavy beast! To much work to make it worth it. Pick up a 302 HO or do a 351. Or even the superchicken engine is sweet like bones has :)

You can make a shit ton of power with the 302/351 and make them reliable. Plus parts are very easy to find. Bolt up a c6 and never worry about blowing a trans.
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Old November 25th, 2008, 02:51 PM   #13
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Quote:
Originally Posted by Bones View Post
Don't get me wrong, the 5.4 in a F150 is fine. I just wouldn't go through the trouble of trying to get it to work in another vehicle.

If you insist V8, I would look to a Lincoln Mark VIII or a Lincoln Continental
It is an all aluminum 4.6L motor, basically a Mustang Cobra motor, detuned for a quiet intake, exhaust and to give the transmission a fighting chance.

I personally still swear by my supercoupe motor. 3.8L V6, supercharged from the factory. Can be had in both autos and manuals, so PCMs are easy to use without the high cost of getting them programmed. 230 hp, 330 ft lbs out of the box, and very easy to turn up from there.
Bones,

How hard to get to about 300hp with a 3.8 s/c? How reliable at that level and what do you use to for tranny etc....

thanks
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Old November 27th, 2008, 10:16 AM   #14
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Plus the Over Head Cam set-up on the Ford modular motors makes them very very wide and maybe difficult to swap in a narrow Jeep.

Just a thought. I'd stick with the OHV Fords or that 5.3.
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