View Poll Results: What are your 5.4L swap plans?
Voters: 220. You may not vote on this poll
Anyone intrested in 5.4L swaps, in here. Need you to opine.
#4891
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.....
#4893
#4900
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.
#4902
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
#4903
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.
#4905
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?
#4906
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)
#4907
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
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
#4908
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.
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.
#4913
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?
#4914
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.
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.
#4915
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
#4916
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.
The thanks goes to turbox2 for pioneering the swap. Without some of his initial efforts we'd have never gotten this far.
#4918
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.
#4919
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.
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.
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.
#4920