My deal is i have a 98 Mustang with the 3.8 and I'm planning on dropping in a 5.4 off of a 99 F-150. So my question is will my transmission work with this engine? What mods would i have to do in order to make this work and any other useful info would be awesome Side note i obviously have never done this before so any help would greatly appreciated

 

probably cheaper and easier to buy a GT or a Cobra. I dont think the transmission in the V6 will mount to the 5.4. Do not think there is a bellhousing that will work. Believe your transmission is the T-5 still. And the 99 5.4 only makes like 210 HP I believe also

 

+1

The time, money and results wont be worth doing the swap. Think about it even when you swap the engine over you still have the brakes, suspension, gears.... and so on of a base model. Your best bet is sell your V6 the 99-04 V8s are selling pretty cheap these days.

 

well the thing is there is u pull it junk yard here selling everythin really cheap. i got the engine for 200.... it is in very good condition i already took it apart and everythin seems to be workin ok... if i find a tranny there it will be 100.... and any other part will be extremely cheap.... thats why i decided to do this swap....

 

lots of work but sounds like a fun project.

 

lots of work = f u n

 

yeah i did lots of research on this and know how much work it is goin to take... with this local junk yard its goin to be alot cheaper than what most ppl think because like i said everythin is really cheap here.... the thing is finding the parts and getting them before those 1000 ppl that are lookin for that same part

 

First I'd look for all the mounting hardware to put a mod motor into tthe car. im sure you could find some 4.6L mounts for your car in the yard, I'm pretty sure that will be just fine for the 5.4

transwise try and find a V8 trans to bolt up to the 5.4. shouldnt be too hard, especially since you'll already be lookign for 4.6L mounts/ after that you'll have the fun of wiring and headers (dunno how tough that is) then i guess just beeef up the front suspension to deal with the weight.

this seems to be mostly 4v stuff but still some helpful hints on a 5.4 swap. hope this helps

http://mustangforums.com/forum/4-6l-...swap-faqs.html

 

well today i started doin some research on the f150 and it turns it comes with both the 4.6 or 5.4... i went out and measured the stroke of the engine i have and i think i might have a 4.6???? measurement was at around 3.75in but the stroke of the 4.6 is at around 3.54??? so im really not sure what i have here????

 

measure the width of it. i think that link i sent you shows the dimension difference

do you have any pics of the motor?

 

also the 4.6 has a deck height of 8.9" and ther 5.4 is just a hair over 10", might wanna check that too

 

if you are sure the engine came out of a 1999 F150, they dont show the 5.4L as an optional engine. So I think you have a 4.6L which is rated at 220hp in the F150

 

why wouldnt there be a 5.4 in 99 F150s? i ebayed em to see if i could see differences in engine pics and there were both 5.4s and 4.6s?

 

oh that would be kinda sad.

 

well supringsingly i got a day off today and will be looking a bit more into the engine... even if it is rated at just 220 the $1200 i saved from goin to a regular junk yard will be goin into several mods for more hp so the hp at this point aint really bothering me... it just sounded like a pretty fun project to do

 

my bad...there was glitch on kbb.com. it didnt list the 5.4 as an option on regular F150's unless you chose the lightning. Called ford and the 5.4 was an option hahaha


if you do have a 5.4 you are going to have hood clearance issues also