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Old 06-21-2013, 06:59 PM   #1
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Need info on engine swap

Looking to do 5.4 engine swap in foxbody.... Cant seem to find any good info

Would like to know of a way i can find a GOOD write up on a how to as well as to tell what parts needed
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Old 06-21-2013, 07:07 PM   #2
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Asked the same question. Are you dead set on a 5.4?
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Old 06-21-2013, 09:28 PM   #3
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Stop spamming these forums, you already asked and we already responded. And if you have to ask about this swap and "what parts are needed" then 1: You probably aren't a good candidate to do this swap and 2: Your google skills are sub par.
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Old 06-22-2013, 01:27 AM   #4
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Yes i am Dead set on this swap Have looked on google have looked on youtube only getting run arounds...
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Old 06-22-2013, 01:40 AM   #5
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Everyone just hold ya horsies now. Just go to a foxbody website I'm sure someone there with knowledge about fox body's can help ya. Your asking people with random mustangs about your specific car you need to ask people that actually have your car. It's like me going to a svtperformance website and asking how to rebuild my 1969 mach 1 351 Windsor engine lol.
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Old 06-22-2013, 03:43 PM   #6
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Originally Posted by FortyBrandon View Post
Everyone just hold ya horsies now. Just go to a foxbody website I'm sure someone there with knowledge about fox body's can help ya. Your asking people with random mustangs about your specific car you need to ask people that actually have your car. It's like me going to a svtperformance website and asking how to rebuild my 1969 mach 1 351 Windsor engine lol.
Lol
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Old 06-23-2013, 12:51 AM   #7
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Everyone just hold ya horsies now. Just go to a foxbody website I'm sure someone there with knowledge about fox body's can help ya. Your asking people with random mustangs about your specific car you need to ask people that actually have your car. It's like me going to a svtperformance website and asking how to rebuild my 1969 mach 1 351 Windsor engine lol.
Thank you!!
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Old 06-23-2013, 04:55 PM   #8
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You need at minimum


K member
Fuel system
Computer and full engine harness / wire harness
Transmission / bell-housing
Flywheel
Possibly new front suspension

A whole month to rip it all out and take your time with it.

Or a blank check to a speed shop would also work since your " dead set ".

Good luck
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Old 06-23-2013, 06:04 PM   #9
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Look at different swaps other than the 5.4 get a termi and t56
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Old 06-23-2013, 06:11 PM   #10
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Look at different swaps other than the 5.4 get a termi and t56
Isn't the 5.4 a truck motor?
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Old 06-23-2013, 06:12 PM   #11
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Isn't the 5.4 a truck motor?
Yes
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Old 06-23-2013, 06:22 PM   #12
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Imo that would be a horrible swap. Truck motors are always low horsepower/high torque. Seems like a waste to do all that for a extra 30hp.

Back in the day I put the gt40 crate motor from summit in my 95. I payed 3500 + 150 shipping. It dynoed 300whp with the stock maf. Now I think that motor sells for over 5000.
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Old 06-23-2013, 06:26 PM   #13
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What about the 5.4 cobra r?
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Old 06-23-2013, 06:30 PM   #14
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What about the 5.4 cobra r?
Heh, good luck finding one... Wayyyyy outdated tech. Not to mention good luck finding parts for an engine that was only made 300 times lol

---------- Post added at 06:30 PM ---------- Previous post was at 06:29 PM ----------

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Imo that would be a horrible swap. Truck motors are always low horsepower/high torque. Seems like a waste to do all that for a extra 30hp.

Back in the day I put the gt40 crate motor from summit in my 95. I payed 3500 + 150 shipping. It dynoed 300whp with the stock maf. Now I think that motor sells for over 5000.
All it takes is a top end swap to change that...
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Old 06-23-2013, 06:34 PM   #15
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What are the main parts different from the cobra rs 5.4 and the trucks. Disk they just build a truck engine?
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Old 06-23-2013, 06:36 PM   #16
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What about the 5.4 cobra r?
1995 cobra r is a 5.8 300hp, 2000 cobra r was a 5.4 385hp but it wasnt the truck motor. The block was not the same(I think), it was based off the iron truck block but it had different internals. Also the heads were completely modified and were later used on the ford gt.

So good luck finding a cobra r motor because im pretty sure they are two different motors. (5.4 truck motor vs 5.4 cobra r)
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Old 06-23-2013, 06:45 PM   #17
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How much hp do you think the cobra rs can make. There pretty close to the sc cobras but these are not even supercharged.
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Old 06-23-2013, 06:45 PM   #18
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Don't forget that special intake they had! I've heard finding gaskets for those are a *****!
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Old 06-23-2013, 06:48 PM   #19
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How much hp do you think the cobra rs can make. There pretty close to the sc cobras but these are not even supercharged.
The cobra r made 385/385 but I believe they were under rated. I think they are faster then the 03/04 cobra but not by much. Weight to hp.
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Old 06-24-2013, 02:37 PM   #20
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Smile

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You need at minimum


K member
Fuel system
Computer and full engine harness / wire harness
Transmission / bell-housing
Flywheel
Possibly new front suspension

A whole month to rip it all out and take your time with it.

Or a blank check to a speed shop would also work since your " dead set ".

Good luck


Thank u for the info. But i am a speed shop in Upstate Ny. But i have never had to do this swap, so its a new challenge for me. My intentions for this stang is a street/ strip warrior. Plan on compound turbos with 3:27 gears 315 dot slick tires with manual **** auto trans.
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Old 06-24-2013, 02:47 PM   #21
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Isn't the 5.4 a truck motor?
Yea its a torque monster of a engine. Which in drag races win if u can get it too HOOK UP. As far as the hp out put it makes 260hp 350ftlb that in a car that would weight 2900 plus driver = a street missle.lol. Put it this way, the 92 5.0 coupe back in its day made 225 hp n 310ft lb with weighing in at 3100lbs = high to mid 12's. So look at that prosective i think this will be killer!
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Old 06-24-2013, 06:12 PM   #22
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Yea its a torque monster of a engine. Which in drag races win if u can get it too HOOK UP. As far as the hp out put it makes 260hp 350ftlb that in a car that would weight 2900 plus driver = a street missle.lol. Put it this way, the 92 5.0 coupe back in its day made 225 hp n 310ft lb with weighing in at 3100lbs = high to mid 12's. So look at that prosective i think this will be killer!
Are you talking about a stock 5.0?....
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Old 06-24-2013, 06:13 PM   #23
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Are you talking about a stock 5.0?....
He quoted the guy asking about the 5.4
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Old 06-24-2013, 06:30 PM   #24
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Yea its a torque monster of a engine. Which in drag races win if u can get it too HOOK UP. As far as the hp out put it makes 260hp 350ftlb that in a car that would weight 2900 plus driver = a street missle.lol. Put it this way, the 92 5.0 coupe back in its day made 225 hp n 310ft lb with weighing in at 3100lbs = high to mid 12's. So look at that prosective i think this will be killer!
No way. You are very misinformed. A 92 5.0 ran in the high 14's @ 85mph. And you need hp and tq not high tq low hp to win races. Look at bmw e46 m3. 3400lbs, 333 hp 265 tq. Car runs 13.1 stock. Look at old firebirds 3600lbs, 225hp 330tq 17.1 in the quarter mile.

Now look at 2012 5.0 3600lbs 412hp 390tq 12.7@ about 114.
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Old 06-24-2013, 06:46 PM   #25
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No way. You are very misinformed. A 92 5.0 ran in the high 14's And you need hp and tq not high tq low hp to win races. Look at bmw e46 m3. 3400lbs, 333 hp 265 tq. Car runs 13.1 stock. Look at old firebirds 3600lbs, 225hp 330tq 17.1 in the quarter mile.
^ +1

A stock 5.0 would run high 14s to low 15s... Nowhere near 12s.
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Old 06-24-2013, 06:50 PM   #26
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^ +1

A stock 5.0 would run high 14s to low 15s... Nowhere near 12s.
And thats with a magazine driver ha ha
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Old 06-24-2013, 07:15 PM   #27
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And thats with a magazine driver ha ha
Exactly. Throw the average driver in there and you'll be getting mid 15s all day lol.
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Old 06-24-2013, 07:44 PM   #28
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The 2000 Cobra R is an absolute monster. They have specific heads and intake to that car and the 00r heads outflow any other modular head by a LOT. Power at the wheels is similar to the termi but they are much lighter and track ready from the factory.

As for putting a 5.4 in a fox, there are numerous reasons why it is a bad idea but if the op is dead set on it I'll watch as it never gets done. The BEST NA 5.4L I've seen confirmed dyno sheets for is 400/400 ish. A mild 408 that will drop right in and require much less work and cost less will make way more. But what do I know.
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Old 06-24-2013, 08:40 PM   #29
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The 2000 Cobra R is an absolute monster. They have specific heads and intake to that car and the 00r heads outflow any other modular head by a LOT. Power at the wheels is similar to the termi but they are much lighter and track ready from the factory.

As for putting a 5.4 in a fox, there are numerous reasons why it is a bad idea but if the op is dead set on it I'll watch as it never gets done. The BEST NA 5.4L I've seen confirmed dyno sheets for is 400/400 ish. A mild 408 that will drop right in and require much less work and cost less will make way more. But what do I know.
Dead on. ^
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Old 06-24-2013, 10:06 PM   #30
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Are you talking about a stock 5.0?....
Yes a Stock 92 gt makes 225hp n 310ft lb ,but no the engine im taking bout is a stock 5.4l 2v which makes 260hp n 350 ftlb
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Old 06-24-2013, 10:12 PM   #31
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Yes a Stock 92 gt makes 225hp n 310ft lb ,but no the engine im taking bout is a stock 5.4l 2v which makes 260hp n 350 ftlb
Yes, you also said a stock 92 gt would run 12s. I'm confused.
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Old 06-24-2013, 10:13 PM   #32
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Exactly. Throw the average driver in there and you'll be getting mid 15s all day lol.
LOL .... The average driver dont know how to launch a powerfull stang at the drags even on a street tire. Most rev it tooo high n clutch drop smoking the tires the whole way.... How ever i know how to launch a stang like its @$$ is on fire. LOL so mid to high 12's is cake work
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Old 06-24-2013, 10:17 PM   #33
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LOL .... The average driver dont know how to launch a powerfull stang at the drags even on a street tire. Most rev it tooo high n clutch drop smoking the tires the whole way.... How ever i know how to launch a stang like its @$$ is on fire. LOL so mid to high 12's is cake work
Not with a stock 5.0 lol.
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Old 06-24-2013, 10:19 PM   #34
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Not with a stock 5.0 lol.
Agreed. 12s in a bolt on 5.0... gotta love internet racers.
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Old 06-24-2013, 10:42 PM   #35
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LOL .... The average driver dont know how to launch a powerfull stang at the drags even on a street tire. Most rev it tooo high n clutch drop smoking the tires the whole way.... How ever i know how to launch a stang like its @$$ is on fire. LOL so mid to high 12's is cake work
Lmao and not because I just ate sushi with saki bombs lol
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