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If you'll do some research you'll find out that headers on a V-10 actually cost you HP. I know it seems contradictory, but it has something to do with the design of the motor.
I've been searching for headers for my recently purchased 2005 F350 4x4 with the 5.4L engine. Ford used a 2" collector on the 5.4L exhaust manifold so any header designed to fit the stock y-pipe will also have a 2" collector. I don't see the point of replacing the stock exhaust manifold at a cost of around $600 to continue to be limited by a 2" collector.
I don't know what size collector is used on the V10 engine. Banks offers a kit that includes headers for your truck (see link below). You can call them at 800-601-8072 for more details.
If you look at the stock manifold, it is "header like" already. With the dual cats, and no way really to use long tube headers like on the 99-04 there really is no gains to be had with the shortys.
JBA makes a set for the 6.8l 3V V10. I personally don't buy the thinking that headers on the 3V V10 won't make more power, but they make not make much more than stock. The 5.4l 3V responds very well to headers such as the JBAs, I've seen dyno #'s to prove it. Granted the 3V V10 doesn't have VVT or as much compression as the 5.4l 3V, but its hard for me to believe there are no gains even if a small amount to be had even with shorties on the V10. I've never seen dyno info on 3V V10 headers but they do the job on the 5.4l quite well. Maybe some custom tuning needs to be done in conjunction with the headers. Notice though Banks does not make headers for the 3V V10, power gains must be minimal if Banks doesn't offer headers for the 3V V10. All they offer is a cat-back for the 3V V10.
The 2V V10 no doubt responds better to headers than the 3V due to the 2V having crappy manifolds and a horrid y-pipe from the factory. The 05' manifolds and exhaust are much better.
If you'll do some research you'll find out that headers on a V-10 actually cost you HP. I know it seems contradictory, but it has something to do with the design of the motor.
I completely disagree.
On the 2-valve, my headers obviously make much more high-end power, and did not hurt the low-end torque whatsoever. And those are cheapo eBay shorties.
On the 3-valve, gains wouldn't be as noticable, because as was already mentioned, the 3-valve has exhaust manifolds that aren't so "log-style" as the 2-valver's. But with the right headers, there has to be some more power there.
On the 2-valve, my headers obviously make much more high-end power, and did not hurt the low-end torque whatsoever. And those are cheapo eBay shorties.
On the 3-valve, gains wouldn't be as noticable, because as was already mentioned, the 3-valve has exhaust manifolds that aren't so "log-style" as the 2-valver's. But with the right headers, there has to be some more power there.
Well said. The Thorley headers on my 2V really perked it up, especially down low where you need it most.
To answer the OP question. No, 2V V10 headers will not work on the 3V V10 and vise versa. I've heard the 3V manifolds won't fit on the 2V but I don't know for certain.
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