View Full Version : 5.4 litre out of a truck?
I found a 5.4 motor from an f 250 for 750$ is it worth swapping out the 4.6? they only have 300 hp stock too.
TorchedMach1
03-04-08, 12:43 AM
Ya but the torque numbers go through the roof!!!
There are alot of guys that have done it here:
http://mustangboards.com/modular-4-6l-tech/9238-anyone-intrested-5-4l-swaps-here-need-you-opine.html
FalconGTHO
03-04-08, 01:46 AM
Because its so far off due to money I havent researched extensively so I dont even know if what I want is possible, but my eventual goal is an all aluminum, 5.4 stroker 3v with a KB 2.8H.
You can but the GT500 motor complete (iron block), but its expensive $16K :jaw-dropping:
FalconGTHO
03-04-08, 09:43 PM
See, its iron and 4v. I want aluminum and 3v. Ill have to get an aftermarket block I know. What I dont know is if KB has a 2.8H for 3v, I dont think so, so then its a question of if they ever will or if someone will market an adaptor system.
TruBluScreamer
03-04-08, 09:46 PM
sounds like an interesting plan keep us posted
05mustangman
03-05-08, 01:55 AM
alan you could always do my setup with the 2.6L kenne and just get a smaller pulley and run some more boost. i would just stick with the 4.6 and get new internals and you should be set.
I read that all i would need is adapter plates and can keep the same computer.
FalconGTHO
03-06-08, 12:56 AM
Tyler I want the cubes AND the torque provided by the longer stroke. AND I like the 3v heads. But yes, if it turns out to be unworkable, unavailable, then yeah, Ill just build the typical balls out 4.6. Everything I would do to a 5.4 Id do to a 4.6, Id just have less cubes.
Sandbaggersteve
03-10-08, 08:38 PM
My old cobra' I sold jason has a 5.4 with a thumper on it, the adapter plates are usually on back order and you will have some down time. Might as well get a navigator motor and start fresh or look on CL for the guy selling a complete 03-04 cobra motor for $7500.
Stern90LX
04-04-08, 01:22 AM
331cid > 281cid :p
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