Headers. REALLY worth it? - Ford Powerstroke Diesel Forum
 
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post #1 of 10 Old 07-15-2009, 09:08 AM Thread Starter
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Headers. REALLY worth it?

Just got to wondering after I browsed some sites offering headers for our 7.3s. No one has posted numbers that I could find, but Im curious to know what may be gained by using them, aside from the obvious flow efficiency over stock manifolds. Has anyone dyno comparisons or some other "Hard" Evidence that headers are worth installation on a non competitive hopped up daily driver/ towmobile?

"Blizzard" The big white bio-burning 03 7.3. 6637, straight piped stock exhaust, and a "New" secret blend of Haul asBLEEPsing mods and upgrades. Suffice to say, its not the fastest, but it quite possibly is one of the quickest.
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post #2 of 10 Old 07-15-2009, 09:11 AM
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For the price there is a bunch of other stuff you could do. I know through d.i. they are $1000-$1200.


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post #3 of 10 Old 07-15-2009, 09:29 AM
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I hear that you won't notice a difference until you are over 400hp

Typical cummins owner.


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post #4 of 10 Old 07-15-2009, 09:46 AM
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Yes, they are worth it, but the subject is highly debated. There are quite a few people running them. I wouldn't buy them until you are making more power. Also, they sound as awesome as they look.

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Originally Posted by taylorking View Post
I hear that you won't notice a difference until you are over 400hp
The stock manifolds will support well over 600rwhp.

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post #5 of 10 Old 07-15-2009, 12:29 PM
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I would buy them for the sound...

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You will get some axle wrap with a heavy trailer, I can feel it when towing my gooseneck with some heavy equipment. My Deavers will wrap enough to make the tires rub the front of the rear fender well if I give it too much throttle on aceleration.
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post #6 of 10 Old 07-15-2009, 02:01 PM
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I would buy them for the sound...
That's what I was sayin... but the more I think about it, the more it will depend on the turbo(s). Headers with a stock EBPV flange will probably sound stock. Headers on my 3.25in non EBPV flange would sound pretty mean. Also, a .84, 1.0, 1.15 turbine housings sound a bit different as well.

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post #7 of 10 Old 07-15-2009, 02:31 PM
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Quote:
Originally Posted by Dirk View Post
That's what I was sayin... but the more I think about it, the more it will depend on the turbo(s). Headers with a stock EBPV flange will probably sound stock. Headers on my 3.25in non EBPV flange would sound pretty mean. Also, a .84, 1.0, 1.15 turbine housings sound a bit different as well.
So it wasn't all in my mind

Was thinking my exhaust sounded different since I put the .84 housing on monday

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post #8 of 10 Old 07-15-2009, 04:11 PM Thread Starter
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As it is, in not to long a while the engine is coming out, and internals are going in. Forged rods, pistons, 910s/beehives, pushrods, ect. SO, what I really would like are HP gain numbers from headers. Sound, eh, ok, but as stated, Im not gonna spend that much cash on just sound. The plan is to arrive at or just over 400 hp RELIABLY when its all finished. If headers only add 3 to 5 HP, Im gonna spend the cash elsewhere.

"Blizzard" The big white bio-burning 03 7.3. 6637, straight piped stock exhaust, and a "New" secret blend of Haul asBLEEPsing mods and upgrades. Suffice to say, its not the fastest, but it quite possibly is one of the quickest.
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post #9 of 10 Old 07-15-2009, 04:19 PM
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Get a set of those nice bellowed up pipes DI sells...

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Originally Posted by Mannysouza View Post
You will get some axle wrap with a heavy trailer, I can feel it when towing my gooseneck with some heavy equipment. My Deavers will wrap enough to make the tires rub the front of the rear fender well if I give it too much throttle on aceleration.
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post #10 of 10 Old 07-15-2009, 04:37 PM
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I have a set of one piece up pipes. Awesome possum.

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