Headers or not?

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Headers or not?

Post  RayDav on October 3rd 2016, 11:21 am

I am currently putting together a 460 with a 4.50 inch crank.  It is going into a 55 Ford wagon set up as a tow vehicle.  I doubt it will see 5K RPM.

Stock exhaust manifolds can fit.  I have built headers before and can do it again.  But it is a lot of work.  Is there any point in headers for this application?

TY
Ray

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Re: Headers or not?

Post  IDT-572 on October 3rd 2016, 12:39 pm

Stock manifolds will hurt it at even that low rpm. Maybe truck manifolds would be something to look at. Made sort of like the old rams horn Chevy's but better.
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Re: Headers or not?

Post  RayDav on October 3rd 2016, 3:41 pm

IDT-572 wrote:Made sort of like the old rams horn
 There are something similar to rams horn readily available.  They are down the middle, right at the motor mounts.  I need something like the original 55 manifolds; up, over, and down the back.

So, moving along a bit, how about a tri-Y?  Whatever the port size is, to a 2.0 inch Y, then to a 2.5 Y which is the size of rest of the system.

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Re: Headers or not?

Post  rmk57 on October 3rd 2016, 4:13 pm

FPA makes header for your application. Biggest obstacle with your header swap would be the steering box. Maybe modify a pair of cheap shorties.

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Re: Headers or not?

Post  RayDav on October 3rd 2016, 4:26 pm

rmk57 wrote:FPA makes header for your application. Biggest obstacle with your header swap would be the steering box. Maybe modify a pair of cheap shorties.

I have been to the FPA site, never found a picture.

And I now only do exhaust in stainless.

I have considered cheap shorties and reducing them to flange and stubs. Forming to a non-round flange opening, without a same-shape mandrel is the hard part.

I have a front sump pan and rear, center steer rack. There is a lot of room at the rear, but I need to clear the upper control arms.

I have pics but this forum says I cannot post a link for a week.

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Re: Headers or not?

Post  dfree383 on October 3rd 2016, 5:22 pm

Street rod shortys would be a good option and cost effective.

The manifolds are going to kill it.
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Re: Headers or not?

Post  61coon on October 3rd 2016, 5:57 pm

dfree383 wrote:Street rod shortys would be a good option and cost effective.

The manifolds are going to kill it.

^^^ This! Sanderson makes a nice set. Under $400 iirc
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Re: Headers or not?

Post  RayDav on October 4th 2016, 10:53 am

61coon wrote:
dfree383 wrote:Street rod shortys would be a good option and cost effective.

The manifolds are going to kill it.

^^^ This! Sanderson makes a nice set. Under $400 iirc

Both sides need to be like the right side of the FF462 set, and stainless.  And that seems to mean do them myself.

Again, what about tri-Y?

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Re: Headers or not?

Post  RayDav on October 4th 2016, 11:30 am

There is one set that would work.

stainlessworks SKU: BBFT
Ford Big Block Turbo Headers: Up and Forward

I have an 89 7.3 IDI in a 9K#, 84, E350. I added a 2000, 7.3 PSD turbo, remote. Five pounds makes a huge difference.

I have a pair of T3/T4 that I was going to use but could not find room for the passenger side, so went with a single, larger, remote.

And there they sit on the shelf and the only headers I find are for twin turbos. Is fate plotting something here?


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