5.4 3v swap

me32

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Pretty badass project. That 5.4 gonna make some great lowend tq. When its complete get some sound clips, if you can.
 

Chrisg2121

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Pretty badass project. That 5.4 gonna make some great lowend tq. When its complete get some sound clips, if you can.
I took this video today after getting the vacuum leak fixed, rear o2s, n x pipe installed. Still have not finished both tailpipes
Once I get the exhaust all done I’ll get a better video n rev it up
 

Chrisg2121

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Some before n after pics of the engine n exhaust. Still need to finish up the rest of the exhaust
Also got an x brace off an sn95 convertible from offerup for $20 it fit good just had to modify the front part of it to have it properly bolted on
Found a supercharger kit Im going save up for I doubt it’ll fit under the hood n strut brace with that though but it’d be badass in there
 

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Chrisg2121

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Got the exhaust all done today I got it tucked up tight so hopefully it won’t get dinged up anymore
I got the lightning style tips on I think they look pretty good they’re also dual walled so they don’t get too hot to touch
Need to finish the suspension/brakes then I can take it for a drive
 

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Chrisg2121

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The 2v elbow shouldn’t be much of a restriction the mustang throttle body is 70mm I believe the 5.4 3v throttle body is 75mm. I’ve ordered a 75mm throttle body should be here soon also had to find some 21lb/hr ev14 injectors since the only ones I had laying around are 24lb/hr n fuel trims are showing a bit rich. The correct size injectors should be here soon
I won’t be getting it on a dyno anytime soon I’m looking into supercharger kits first then after that will definitely get it tuned for now it’ll just run on the stock tune
I got started on the rear suspension today installed the bmr upper torque box reinforcement kit, spherical bushings on the diff, n doing poly bushings on the stock arms, stock shocks will stay for now the car only has 40k miles so I think they’re fine n it has steeda lowering springs already so I’ll just be painting those red. Still waiting on some parts for the front end n have to replace diff seals n finish brakes as well
Also got a better clip of the exhaust at idle
 

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me32

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Comming along nicely . That 75mm tb will be a good bump in power
 

Chrisg2121

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Got the suspension assembled, sealed up the diff, n replaced the drive shaft u joints. Also got a Honda power steering reservoir with bracket installed in place of the battery tray. Swapped out the front brakes but they fit a bit tight inside the 18s I’m looking at getting some 19s of a 2015 Gt. Installed the cobra front bumper still need to get a chin spoiler for it.
 

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Chrisg2121

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Got the correct size injectors on it, got the throttle body on it, installed new shocks n struts, bled the brakes, hooked up the amp power wire to a battery in the trunk for now n took it for a drive
Pulls great but fuel trims lean out in higher rpm’s definitely could benefit from a tune might look into that any suggestions would be great. But it pulls nice as is
So far no dtcs so if all is good after a few more miles I’ll take it through emissions testing then get it registered. Still need new tires not sure if I should keep the gt500 rims or not still looking for 18” roush wheels but not much luck
I’m not digging the cobra bumper might end up getting the cobra r bumper instead seems like that one hangs lower would match the side skirts a bit better
 

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SN95_Fan_2022

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This is one of the coolest things I've seen done to an SN-95. Well done man! Thanks for going into such detail. I kind of want to copy you.

In terms of lowering the engine and K-Member down like that, is that really as easy as everyone says with a lift? I need to do a clutch here soon and wanted to do a full check, clean, and inspection of the engine/engine bay too.
 

Chrisg2121

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This is one of the coolest things I've seen done to an SN-95. Well done man! Thanks for going into such detail. I kind of want to copy you.

In terms of lowering the engine and K-Member down like that, is that really as easy as everyone says with a lift? I need to do a clutch here soon and wanted to do a full check, clean, and inspection of the engine/engine bay too.
Yea with a lift it’s very easy
Remove driveshaft, shifter assembly/clutch cable or auto shifter cable off trans
Drain engine, trans, power steering, freon, remove battery, front wheels, steering shaft, unhook exhaust at manifolds n at catback
Unhook wiring harness connectors at passenger rear of engine compartment should be 1 big one n either 1 or 2 smaller ones depending on trans/year
Unhook lower ground wire from driver side frame rail
Unclip battery cables, alternator connector, ground wire connector, oil pressure switch connector all by the fusebox
Unscrew power steering pressure line at the pump n separate both pressure n return lines coming off the rack, remove ps reservoir
Unhook ac compressor manifold lines
Un bolt sway bar brackets from frame let it hang
Unbolt n separate outer tie rods n lower ball joints (spindles, brakes, n struts stay on the car complete)
Remove engine mount bolts
Remove trans mount bolts
Set 3 floor jacks under k member, n one under trans
Unbolt k member
Then lift vehicle
Should be it for the most part might be some small things I’m missing but off the top of my head that seems like everything
 
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Chrisg2121

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Minor update on the 5.4 3v Roush
Got a front bumper directly from roush took 8-9 months to be made/delivered, fresh laser red paint, also got a set of staggered Japanese kosei roush wheels to go with it had those painted bronze, getting final assembly done now almost ready to get back on the road
 

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Chrisg2121

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Final update for the 5.4 3v roush
 

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