More Power
Logistics Pro
Joined: Jul 2004
Posts: 4,859
Likes: 55
From: Middleville, MI
i have the same year, and at 235hp stock, you're right, it's a little lacking. anyways, your best bet is going to be to find a set of PI camshafts out of a '00+ 2v 5.4 motor; i have done all your typical bolt-ons to mine (exhaust, intake, programmer), and it is better... but these cams will be next for me since it looks like it's going to be a few years before i get to swap a cummins into it (which would really be your best bet, lol). i've heard you can expect 15-20 whp gain with just the cams... and they seem to go fairly cheap if you know where to look.
Lead Driver
Joined: Nov 2008
Posts: 8,449
Likes: 70
From: South Jersey
dude forget the cams trust me. i have a 04 f-350 with all kinds of upgrades (just look at my info) and its allot better but still a little lacking at times. i found a shop around me that works only on ford motors and the owner took me for a ride in their shop truck a 00 f-350 regular cab with a 5.4 and all it has is a k&n intake and a SCT programmer but it and port and poloshed heads and new valves and that truck fing ripes!!!!!!!! i know it sounds like alot but compared to my truck the motor builds power so quick and it pulls like a diesel. when i save up a two ground im bring my truck to get it done. besides cams cost 600 to 700 dollars for these motors plus labor and you really dont get that much from a cam anyways. if you wanna see get a ford truck mag and look at all the lightings running 800 HP plus one thing in common most of them all have stock cams. Its all head work plus the superchargers!
Logistics Pro
Joined: Jul 2004
Posts: 4,859
Likes: 55
From: Middleville, MI
if you wanna see get a ford truck mag and look at all the lightings running 800 HP plus one thing in common most of them all have stock cams. Its all head work plus the superchargers!
Logistics Pro
Joined: Jul 2004
Posts: 4,859
Likes: 55
From: Middleville, MI
..and why would you buy someones used cam if it scorn its ruined?
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Junior User
Joined: Jun 2008
Posts: 76
Likes: 0
From: Ft Collins Co
I will look into that but i do want to put a supercharger on at some point but its so hard to find one or the F 250 superduty with the 5.4 and i have K&N, exhaust, and a programmer and i am about to get heads for it.
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Senior User
Joined: Nov 2008
Posts: 171
Likes: 0
Do they offer a supercharger for the 99'-04' 2v F250 engines? I've searched for one for my 03' and haven't really turned anything up. I'd love to have one for the extra power but it would have to be dead realiable!
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Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
I want a screw charger for mine as well, I've looked a Whipple and Kenne Bell. Neither companies expressly say theirs fit the F250, however, the engine is the same. The intake track is a little different. I also considered using the Eaton from a lightning. It's going to take work to make them fit.
I am under the understanding that the superduties all got PI heads. What's the difference in the cams? If your going the cams route, there is some good info in the 5.4l mod motor forum. Basically one of the guys said a higher lift cam will help. However you need all of the bolt ons to make the most of it. I've done most all of the bolt ons but it's still a 3 ton brick going down the street.
I am under the understanding that the superduties all got PI heads. What's the difference in the cams? If your going the cams route, there is some good info in the 5.4l mod motor forum. Basically one of the guys said a higher lift cam will help. However you need all of the bolt ons to make the most of it. I've done most all of the bolt ons but it's still a 3 ton brick going down the street.
Logistics Pro
Joined: Jul 2004
Posts: 4,859
Likes: 55
From: Middleville, MI
the 1999 SD's didn't have the PI heads; they got them in 2000. i am not sure on cam differences.. but i got some good info from someone saying there is enough difference to make it worth the swap if you can find a good inexpensive set.
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
Again, I could be wrong, but the cam swaps I've read about say you have replace the sprockets. If your in for $200 worth of sprockets and seals and such, wouldn't be further beneficial to get aftermarket cams spec'd for the application and mods?
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Junior User
Joined: Jun 2008
Posts: 76
Likes: 0
From: Ft Collins Co
Is there any difference from the F 150 5.4 and the F 250 superduty 5.4 besides the intake? I have found a supercharger from vortech but it not very big puts out about 115hp but it is way over priced it runs about $4000. I could get 100hp for $700 with nos.
Post Fiend
Joined: May 2006
Posts: 10,007
Likes: 4
From: Central Florida
There is no cheaper horse power than NOS. However I think the conversion goes 10 seconds, 100 horses and 10 lbs, so every 10 seconds at 100hp uses 10lbs nos.
The supercharger doesn't need refilling, but it is a lot more component dependent. The tuning is going to take some work too. The Superduties didn't need to be as emission compliant as the F150 so there are probably some slight differences that a pnp tuner will not accept. 115hp is actually decent though, that's going to be in the area of 6psi of boost. It nearly an additional 50% hp, and about all you would want to push a N/A motor with for reliability. More than 6psi is really pushing it, with a higher mileage motor, I usually suggested about 4psi.
The supercharger doesn't need refilling, but it is a lot more component dependent. The tuning is going to take some work too. The Superduties didn't need to be as emission compliant as the F150 so there are probably some slight differences that a pnp tuner will not accept. 115hp is actually decent though, that's going to be in the area of 6psi of boost. It nearly an additional 50% hp, and about all you would want to push a N/A motor with for reliability. More than 6psi is really pushing it, with a higher mileage motor, I usually suggested about 4psi.
Hotshot
Joined: Mar 2007
Posts: 10,101
Likes: 40
From: Pa
Replacing the camshafts on a Non PI engine is not going to help the heads flow any better. If your going to put in a hotter cam you should do port work to the non-PI heads to go with the cam or put on a set of PI heads.
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Junior User
Joined: Jun 2008
Posts: 76
Likes: 0
From: Ft Collins Co
I would rather have a supercharger than nos but i really dont want to pay $4,000 and get 115hp i could refill the nos quite a few time with $4,000 if it was around $1,000 i would get it in a heart beat.I always see Eaton supercharger on ebay for the lighting and they are going for about $2,000 but i dont know if you could put it on the F-250 superduty.