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Modular 4.6L Tech For all your 1996-2005+ 2V, 3V, and 4V modular motor needs.

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View Poll Results: What are your 5.4L swap plans?
Not swapping. You guys are nuts for trying. 4 3.25%
Not swapping but find the topic interesting. 19 15.45%
Thinking about doing the swap but not in the next year. 23 18.70%
Definitely going to do the swap in the next year or so. 30 24.39%
Doing it now. Looking for an engine or awaiting delivery. 17 13.82%
Doing it now. Already bought an engine. 19 15.45%
Done. Got my 5.4L and showin my tail lights to camaro's every day. 9 7.32%
Screw 5.4, I'm going diesel 4cylinder. 2 1.63%
Voters: 123. You may not vote on this poll

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Old 09-25-2008, 02:41 PM   #4891 (permalink)
r3dn3ck
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Quote:
Originally Posted by TurboX2 View Post
Yup, thats what I was remembering, you've got a little bit of taper/radius, but the tall sharp edges are going to inhibit flow from the sides. I'd either cut them down to around 1/4", lay them back, and epoxy around the outsides, or just grind/mill the little stacks out completely. My questions there, though, would be is there enough meat in the casting to then create a decent radius without breaking through.....
the towers themselves aren't thick enough at the bases to make a good radius of their own accord but a little epoxy massage oil could fix that.
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Old 09-25-2008, 05:02 PM   #4892 (permalink)
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Interesting read, but for me the first picture of the actual intake won't load....

Here you go. Don't think their web guy named it correctly for the page.

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Old 09-26-2008, 07:54 AM   #4893 (permalink)
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here's a teasr for all you 2v guys:
http://www.theturboforums.com/smf/in...topic=116730.0
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Old 09-26-2008, 08:05 AM   #4894 (permalink)
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Here you go. Don't think their web guy named it correctly for the page.

Looks like an easy casting to widen for a 5.4.....
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Old 09-26-2008, 08:26 AM   #4895 (permalink)
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check stickies in this section... just posted the new 3v 5.4 sticky
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Old 09-28-2008, 03:35 PM   #4896 (permalink)
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it lives!!!!!!!!!!!!!!!!!!!


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Old 09-28-2008, 04:49 PM   #4897 (permalink)
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it lives!!!!!!!!!!!!!!!!!!!
And??? Drive it yet?
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Old 09-28-2008, 04:58 PM   #4898 (permalink)
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almost. working out a couple bugs first.
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Old 09-28-2008, 07:26 PM   #4899 (permalink)
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Originally Posted by myillwillinc View Post
almost. working out a couple bugs first.
can't wait to get some dyno time
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Old 09-28-2008, 09:07 PM   #4900 (permalink)
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so now that you have it bolted on, i'm wondering, how tall is it compared to the factory intake? i ask because i've got a 2V with a custom brackets and a factory mach shaker setup. so i'm wondering what mods i'll need to do to make if fit.
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Old 09-28-2008, 09:07 PM   #4901 (permalink)
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Quote:
Originally Posted by myillwillinc View Post
it lives!!!!!!!!!!!!!!!!!!!


thats bs you photoshoped that
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98 F-150 block.. bored .20 over
98 factory forged crank (F75 casting, ready to drop in)
5.4 front cover
chains tensioners
OEM 5.4 intake
OEM fuel rails and injectors
OEM oil pan
CP pistons 18cc
5.4 PI heads
Price $800.00

04 Comp. orange Cobra
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Old 09-28-2008, 09:30 PM   #4902 (permalink)
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Originally Posted by str3ck View Post
so now that you have it bolted on, i'm wondering, how tall is it compared to the factory intake? i ask because i've got a 2V with a custom brackets and a factory mach shaker setup. so i'm wondering what mods i'll need to do to make if fit.
i think it actually sits just slightly shorter than the stock intake, i have the nx plate on the car that goes between the upper plenum and manifold and it still didn't even touch the padding on the underside of the hood, the 4.6 pi manifold just barely touched the padding with the plate
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Old 09-28-2008, 09:51 PM   #4903 (permalink)
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and that might just allow 4.6 2v strut tower braces to work. Hood clearance was one of the things bob and I beat against for hours on the phone getting it sorted out. Glad it worked like I thought it would.
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Old 09-28-2008, 10:07 PM   #4904 (permalink)
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i'll work on a strut brace this week before hunter rips out of my driveway.....
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Old 09-28-2008, 10:10 PM   #4905 (permalink)
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since i finally remembered my login and pw i had one more question for you 5.4 guys. i did indeed read every single post of this thread but i can't remember if i saw this answered or not. will a JLT cold-air intake still fit with the wider block? even with the 4.6 some people has slight fitment issues since it bumps up against the oil fill cap on some models. and if it dosen't fit, which CAI would you guys that have already done the swap recomend?
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Old 09-29-2008, 12:16 AM   #4906 (permalink)
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Originally Posted by str3ck View Post
since i finally remembered my login and pw i had one more question for you 5.4 guys. i did indeed read every single post of this thread but i can't remember if i saw this answered or not. will a JLT cold-air intake still fit with the wider block? even with the 4.6 some people has slight fitment issues since it bumps up against the oil fill cap on some models. and if it dosen't fit, which CAI would you guys that have already done the swap recomend?

Cant answer for all but on mine, with the JLT it hit the hood. It would close mind you, but it was in a bind, but wasnt bad. Had I kept the car, I would have just clearanced the hood a little(was in a support brace IIRC)
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Old 09-29-2008, 08:55 AM   #4907 (permalink)
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after thought about the intake that might be a good optional upgrade for it

put blow out plugs in it incase of nitrous backfire...because with a forged bottom end and big nitrous an accident is inevitable if you live long enough


a standard sized freeze plug or something like that with like 3-4 in the underside of the intake so that the blast blows out the plugs and into the valley instead of blowing up the intake/throttle body/maf or screwing up other stuff under the hood, i know the intake was built to withstand nitrous backfire but withstanding a 100/150 shot backfire is one thing, doing dual 200 stages etc is a little more risky
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Old 09-29-2008, 09:37 AM   #4908 (permalink)
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Good idea. I'll see if Bob will add that as an option.

FWIW, That's a fairly easy retrofit after the fact for the guy that needs it. Just drill and tap the bottom cover of the big plenum for:
http://store.summitracing.com/partde...5&autoview=sku

or :
http://www.wilsonmanifolds.com/shop/...ct_detail&p=56

or better yet:
http://www.wilsonmanifolds.com/shop/...ct_detail&p=55

EDIT: I've sent Bob an email asking for the last one as an option from HPS.
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Old 09-29-2008, 12:34 PM   #4909 (permalink)
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i like the last one. kinda like a NA blow off valve...
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Old 09-29-2008, 02:00 PM   #4910 (permalink)
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and it's cheap and easy to install.
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Old 09-29-2008, 05:28 PM   #4911 (permalink)
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what do u guys think of halibrand cobrs III's on my car?



the centers will be black. 9 in fronts and 10.5 rears
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Old 09-29-2008, 08:17 PM   #4912 (permalink)
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looks good
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Old 09-30-2008, 07:08 AM   #4913 (permalink)
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Anyone want to make any guesses what a 5.4 with a pi intake and spacers and ford racing shorty headers will make with a 125 wet shot from a zex kit? May do this just for now. Do u guys think the shot will be to big and need to bring it down?
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Old 09-30-2008, 08:18 AM   #4914 (permalink)
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We already know about what it'll make from anecdotal references. shorty headers won't help pretty much at all. So with stock heads and cams you should see probably 220-250rwhp and 330-350tq with typical bolt on's and a PI intake on adapter plates. Add ported heads and cams and a aftermarket intake on those plates and you'll see 260-280rwhp.

Add the 125 shot and you should see 350rwhp and around 475-500rwtq. Have a good clutch.

Don't waste time on adapter plates. That's almost half the cost of the intake right there. Save for 2 more months and you'll have the HPS intake and plenty of clearance and no adapter plates messing up the air which = more power.
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Old 09-30-2008, 10:37 AM   #4915 (permalink)
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First off, thanks to all who basically pioneered this 5.4 idea. I have read about half way through this thread, and decided a 5.4 is definetly for me. It will be a slow buildup, but when it is done, it will be done right. I know its been said before, but what type of forged pistons/rods should i go with, and where should i look for them? I would like your opinions, because you obviously know what you are doing. Thanks
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Old 09-30-2008, 10:59 AM   #4916 (permalink)
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kinda depends on how much power you plan on making. different parts are best for different applications. For the average street oriented build-up, call up TMD (951) 369-0200 and ask for their h-beam and mahle piston deal. Comes with rings.

The thanks goes to turbox2 for pioneering the swap. Without some of his initial efforts we'd have never gotten this far.
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Old 09-30-2008, 01:02 PM   #4917 (permalink)
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Thanks. I am planning on turboing it after i get it built. But i have none of the parts now, so i would be startin from scratch. I plan on buyin the new block from kar kraft shortly, then savin up for the forged internals.
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Old 09-30-2008, 01:49 PM   #4918 (permalink)
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friendly advice...just buy a used complete 5.4 longblock with front cover. It'll save you a few hassles and you can usually find a rebuild-able one for <1000 bucks at local salvage yards. make sure it didn't throw a rod.
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Old 09-30-2008, 03:05 PM   #4919 (permalink)
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Quote:
Originally Posted by r3dn3ck View Post
We already know about what it'll make from anecdotal references. shorty headers won't help pretty much at all. So with stock heads and cams you should see probably 220-250rwhp and 330-350tq with typical bolt on's and a PI intake on adapter plates. Add ported heads and cams and a aftermarket intake on those plates and you'll see 260-280rwhp.

Add the 125 shot and you should see 350rwhp and around 475-500rwtq. Have a good clutch.

Don't waste time on adapter plates. That's almost half the cost of the intake right there. Save for 2 more months and you'll have the HPS intake and plenty of clearance and no adapter plates messing up the air which = more power.
yea i already knew what it would make on the motor. i have the adapter plates already and just planed on porting them. i was kinda thinking about getting the victor jr. intake for the 4.6 and try it out on the 5.4

i was hopeing for more hp with the 125 shot but ill take what i can get.

also i have a spec stage 3 clutch so it should hold.

Also i dont want shorttubes but dont want to go through all the trouble of makeing longtubes fit so im just gonna bite the bullet and think about how much less trouble the shorties will be.

Last edited by cardude; 09-30-2008 at 03:12 PM..
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Old 09-30-2008, 09:26 PM   #4920 (permalink)
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someone here may want to scoop this up ASAP.

http://svtperformance.com/forums/sho...53#post7238853
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3v, 46, 54, 54l, 7250ch, block, compression, crown, heads, intake, mustang, nonpi, opine, pi, ratio, swap, victoria

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