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Best manifold for 2005 F350 5.4?

 
  #1  
Old 03-13-2019, 10:53 PM
Lorrainethef250
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Angry Best manifold for 2005 F350 5.4?

So I have a 2005 F-350, 5.4 with the 6 speed manual in it, and I keep having faulty drivers side manifolds. No, it isnt my truck. My heads are flat, I'm not over torquing them, and I'm not horsing around with my truck and causing too much heat. My mechanic has used the Dorman aftermarket castings from our local Advanced Auto Parts, and they keep cracking in different spots and falling apart. One he took off and, it crumbled in his hands and broke in two. Pretty pathetic, since it was literally 4 months old. This will be the 3rd time, NOT including my factory manifold that I will be doing the drivers side. So, no more dorman products for me. At the least not exhaust. So my question for you guys is, what is the best and most durable aftermarket manifold I can get? I dont want to shell out a crap ton for OEM, but I think I might just have to. Or I might even try the Stainless headers route, because I'm just sick of it. Any input or suggestions about this would be really helpful!
 
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Old 03-14-2019, 05:57 AM
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Dorman exhaust manifolds are horrible. I used them on my last truck and I would be lucky to get 6 months out of one. Never tried another brand because I traded for my current tuck. Stainless would be the way to go.
 
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Old 03-14-2019, 07:07 AM
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Get the headers.
 
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Old 03-14-2019, 08:13 AM
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My passenger side started leaking at 94k miles. My replacement was the Ford replacement manifold. No leaks at 140k.

If it happens again, I plan on looking into having the replacement ceramic coated on the inside.
 
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Old 03-14-2019, 01:57 PM
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I'm dealing with this currently on a 04 F350 with the 5.4.at 92k miles. Passenger side broke two studs and driver's side one stud was broken. I removed the broken studs and ready to reassemble. I took the manifolds to a local machine shop to have them resurfaced. One is cracked and the other is twisted at the fwd port and cannot be machined flat. I've read too many horror stories about the Dorman manifolds so no way I was going with those. I was about ready to order OEM manifolds but then decided to go ahead and order headers instead. I just ordered the Gibson headers from Summit and am really hoping I can put this back together and be done with it. I also ordered the SDS Y pipe as I fgured ight as well do that while I have everything off and apart.
 
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Old 03-14-2019, 02:02 PM
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I'm just pretty disgusted with the quality of dorman. I figured it would be better than this, but i guess for the price i should have guessed. I think I'm going to have to go with headers.
 
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Old 03-14-2019, 02:06 PM
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I ordered the Gibson stainless headers. Part No. is GP126S-1 and they are $399 at Summit. Not sure if you have the 3v or 2v. Mine is a 2v so might not be same part number for yours.
 
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Old 03-14-2019, 02:09 PM
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I'm looking at the BFC headers for my 05. About 220 bucks for the set with gaskets. A little skeptical, but they seem to be a pretty good company and sell a decent amount of things like this.
 
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Old 03-14-2019, 02:13 PM
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Originally Posted by Lorrainethef250 View Post
I'm looking at the BFC headers for my 05. About 220 bucks for the set with gaskets. A little skeptical, but they seem to be a pretty good company and sell a decent amount of things like this.
Just do your research. Some of those cheap headers can be very poor quality. Not suggesting the ones you are looking at are but for me I'm more interested in not having to take the thing apart again then saving a few bucks. The Gibson's come with stainless bolts and new gaskets and all the reviews I could find were positive.
 
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Old 03-14-2019, 02:39 PM
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I have never heard of BFC before and $220 for a set of quality headers seems " too good to be true". It would suck to have to do this job again, I'd look at a better known brand of headers with a solid reputation.
 
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Old 03-14-2019, 10:08 PM
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Have an 03 250 with 5.4, put the Gibson stainless on ole thirsty seven years ago. Get the bolts with the lock tabs, they are a bit tricky to install, but no looking back. It is a plow truck and has been it's whole life, no issues with them yet.
 
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Old 03-15-2019, 11:37 AM
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I’ve had dormans on both sides of my 5.4 for two years now and no complaints. They’re visually identical to the ford ones that lasted 16 years prior.
 
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Old 03-15-2019, 08:40 PM
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I use oems. just did my drivers side. Check ebay for stainless stud kits from some guy in mass...they are the bomb. also look on ebay for manifolds sometimes way cheaper for oems.. I think thats where I got mine or amazon..
 

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