Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.
View Poll Results: What are your 5.4L swap plans?
Not swapping. You guys are nuts for trying.
1.82%
Not swapping but find the topic interesting.
12.73%
Thinking about doing the swap but not in the next year.
16.82%
Definitely going to do the swap in the next year or so.
25.45%
Doing it now. Looking for an engine or awaiting delivery.
15.45%
Doing it now. Already bought an engine.
18.64%
Done. Got my 5.4L and showin my tail lights to camaro's every day.
7.73%
Screw 5.4, I'm going diesel 4cylinder.
1.36%
Voters: 220. You may not vote on this poll

Anyone intrested in 5.4L swaps, in here. Need you to opine.

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  #10261  
Old 02-09-2011, 06:40 AM
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Guy said he'd take 450 for it if i got it by sunday or after sunday it would be $525, well i told him id send the money if he would ship it for that price. He said no, it would be 520 shipped.

I really dont think it takes $70 to ship it. So i really dont trust him or want to deal with him.

So ill just buy a new one in few months..
 
  #10262  
Old 02-09-2011, 07:10 AM
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says deleted on CL. whats his info?
 
  #10263  
Old 02-09-2011, 08:23 AM
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he reposted it
http://atlanta.craigslist.org/nat/pts/2203745886.html
 

Last edited by the12fast4u; 02-09-2011 at 08:26 AM.
  #10264  
Old 02-09-2011, 11:38 AM
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hey just wantd to say im a new lurker stopn in to say high been readin this post on my phone and i read EVERYf@#$%N page of it on my phone but to let everyone know i plan on doin the 2v 5.4 swap by end of this summeri got bout 1300 savd up now waitn till bout 4k to begin buyn parts gona do t/f heads with my hitech stage 2s and forged rods and pistons with the factory crank all balnced this is going to replace my 4.6 in my 2000 gt it has 3.90 gears 8bolt alm flywheel alm drive shaft udp,s and a jlt ram air intake. best my car has ran with the 4.6 was 12.8 with a 1.7 60' i think i can do it in about a day or 2 once i have eveything bought and put together.
 
  #10265  
Old 02-09-2011, 01:05 PM
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can the hps intake be set up for direct port nitrous?? has any one ever attempted 200+ shot of nitrous? weighing options for my power adder since i wont be going turbo anytime soon
 
  #10266  
Old 02-09-2011, 01:26 PM
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i have a direct port kit i'll hook u up with. NIB... i'm dying to see a 5.4 get jiggy with a healthy shot of hellfast juice. hunters loved the nozzle kit with a 100 shot.......
 

Last edited by myillwillinc; 02-09-2011 at 01:31 PM.
  #10267  
Old 02-09-2011, 01:34 PM
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pm me details i am also trying to pick up r3dn3cks motor so i can get my car ready this season
 
  #10268  
Old 02-09-2011, 01:58 PM
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I paid 82.00 for shipping when I bought my hps intake of rd3. Its a large heavy intake. 520.00 shipped is still almost 200.00 cheaper if the guy is legite.
 
  #10269  
Old 02-09-2011, 06:04 PM
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Speaking of the HPS intakes,.....I'm going to be pulling my intake off for a cam swap and was wondering if someone has ported or modified their intake to improve flow. How was the results? Was it worth the effort?
Thanks guys!
 
  #10270  
Old 02-10-2011, 07:01 AM
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I did once... if you have ported heads then it might be worth it. If not, don't bother.

70 bucks shipping is completely normal. It's 40 lbs and a fairly large box plus insurance. You gotta pay to play.
 
  #10271  
Old 02-10-2011, 09:21 AM
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I need to try to port my intake to match my ported heads. I feel like that is going to be holding me back at this point.
 
  #10272  
Old 02-10-2011, 09:27 AM
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unless you can do an extrude hone, don't bother with porting a 4v intake.
 
  #10273  
Old 02-10-2011, 10:05 AM
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Originally Posted by r3dn3ck
unless you can do an extrude hone, don't bother with porting a 4v intake.
Well alright then.
 
  #10274  
Old 02-11-2011, 09:46 AM
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changing my upper setup on my 02 nav swap in my 97 cobra from 99-01 intake to the nav lower and MMR upper. Good idea or not?? Which setup would be better on the stock 02 nav motor?? Also, anyone have long tubes that will fit??

Thanks, Robert
 
  #10275  
Old 02-11-2011, 10:09 AM
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not that one.... The MMR setup is for very high revving 5.4 4v's. Your stock navigator bottom end will blow the **** up if you spin it fast enough to make good use of that intake. Honestly, the intake is going to be difficult to make a "good" purchase of if you stick with the stock 5.4 bottom end. You should at a minimum replace the rods and bearings and fasteners so you can spin it to 7500rpm and make use of that intake.

Navi heads are the hardest to deal with because very few intakes fit them. If I were to be doing it I'd use cobra sourced heads so I could use a cobra intake, or if I had the money, then a Boss intake on GT500 heads.
 
  #10276  
Old 02-11-2011, 02:35 PM
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well sent the valve covers to be powder coated today also got the intake all finished. monday it gets coated!

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  #10277  
Old 02-11-2011, 03:41 PM
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Originally Posted by the12fast4u
looks like i'm picking up the intake first of next week....
 
  #10278  
Old 02-11-2011, 06:22 PM
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Originally Posted by oifdoc
well sent the valve covers to be powder coated today also got the intake all finished. monday it gets coated!


That intake is looking nice, I went with a GT style t/b, that looks awesome like that. I'll probably redo mine someday but for now I'll keep it like this. Are you running your t/b on the drivers side? If you are, are you using the stock cable, I still haven't test fitted to see if it's going to be long enough to make the turn like that.
 
  #10279  
Old 02-11-2011, 08:44 PM
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Originally Posted by myillwillinc
looks like i'm picking up the intake first of next week....
cool deal let us know how things go,nice looking job on the intake.looking at the fuel rail hookup i would say it is a passenger side tb hookup
 
  #10280  
Old 02-12-2011, 02:43 AM
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birdman941 is the man! hes helped me out alot so far with the build!
 
  #10281  
Old 02-12-2011, 09:40 PM
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i personally watch bridman941 hand build that intake. while he built me a semi beefy 4.6 wish i would have went 5.4
 
  #10282  
Old 02-13-2011, 08:32 AM
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yeah should have gone 5.4! but its all done now waiting on the heads to come back and start finishing it up! and the valve covers should be back thursday! hopefully the intake will be done then too! yeah the tb is on the pass side. hope to have it finished by the end of the month!
 
  #10283  
Old 02-13-2011, 07:26 PM
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Originally Posted by oifdoc
yeah should have gone 5.4! but its all done now waiting on the heads to come back and start finishing it up! and the valve covers should be back thursday! hopefully the intake will be done then too! yeah the tb is on the pass side. hope to have it finished by the end of the month!
That motor is going to move a lot of air.
At least you have something to comapre to,
having driven mine a little bit.
The 5.4 32V with a properly breathing intake (no restrictions at all)
completely changes the car's personality.
A lot of little extras went into this particular manifold,
I am looking forward to seeing the numbers on this one.
 
  #10284  
Old 02-14-2011, 01:06 AM
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dont worry birdman when i go for the dyno ill pick you up and bring you on the ride! might even have a DEW in hand for ya!!!
 
  #10285  
Old 02-14-2011, 10:03 AM
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Hi guys,

Been lurking for a while. Was never a 5.4 fan. I had planned on supercharging my 4.6 cobra but I figured might as well go bigger AND add a blower. lol. But I will run it n/a for a short time. I am also on other boards but not as the same screen name. Trying to do this build in stealth. So gonna try and hide my identity as much as possible.

So my build is gonna be a little different probably not the smartest but I'm going the budget minded route... So here's what I'm thinking...

-I picked up a 97 5.4 block for $50 yesterday
-Re-using my cobra B-heads (thats the not so smart part) lol.
-Widening the stock intake 1.5" and shortening the runners 1.75"
-Adding comp cams 106100's (Still can use my stock beehive springs).
-flat tops (w/ .020" off the block) should get me close to 9.8:1. Remember blower
- H beams with arp hardware
-cobra windage tray
-FMS shorties with 3" x-pipe dumped

The car should make peak power in the low 6000-6200 range. Hoping around 390rwhp.

Now as far as what I can re-use from my cobra motor the only thing I have left to buy aside from above would be:

Timing cover
Timing chains
harmonic balancer
melling oil pump (for insurance)

Anything else?

Oh almost forgot. Where can I find the main cap dowels/pins? I have the caps but they guy didn't have those pins.

Thanks.
 
  #10286  
Old 02-14-2011, 11:09 AM
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Do not waste your time with B heads.
 
  #10287  
Old 02-14-2011, 12:11 PM
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Originally Posted by birdman941
Do not waste your time with B heads.
I figured I would get a response about the B's. Yes I know they suck for n/a but on a budget they are by far the cheapest head to go with and the cheapest to get an intake made for one. It has been proven that a 4.6 B'headed car can get over 370rwhp w/ h/c/i. Adding 50ci should get it close to 390 but with a much better curve.

At the same time Al made his first 5.4 there was a guy that did it with a B's. Made 380/356 without a shortrunner intake and stock compression. With a shortrunner I'm sure it would have made close to 400. Then once the supercharger goes on my peak power should continue to rise all the way to 7k. I see it as a win win.

I think I can get the motor built for under 3k.
 
  #10288  
Old 02-14-2011, 12:13 PM
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Yeah, good luck with that.
 
  #10289  
Old 02-14-2011, 12:21 PM
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Originally Posted by CobraJack
changing my upper setup on my 02 nav swap in my 97 cobra from 99-01 intake to the nav lower and MMR upper. Good idea or not?? Which setup would be better on the stock 02 nav motor?? Also, anyone have long tubes that will fit??

Thanks, Robert
Robert,
Why would you change it? I assume you have RR adapter plates on the navi heads? What is your reason for wanting a change? Do you have a dyno curve to share?
Brett
 
  #10290  
Old 02-14-2011, 08:11 PM
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yea good luck with the under 3k build......never gonna happen
 


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