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-   -   Exhause flanges (http://www.clubcobra.com/forums/all-cobra-talk/86595-exhause-flanges.html)

stefan h 04-03-2008 12:06 PM
Exhause flanges
 
:)Hi, can anyone help? I am looking if there are drawing available of the exhause flange to bolt on my AFR 185 heads. I need to have them made here and make my own headers.
Thanks, regards from Sweden

greg schroeder 04-03-2008 01:20 PM
You might be able to use the AFR recomended gasket.

stefan h 04-04-2008 09:11 AM
That may be an idea, I was thinking to find an AutoCad drawing so I can have the steel flanges cut out by waterjet

strictlypersonl 04-04-2008 10:31 AM
Do the AFR heads have a narrow and/or wide bolt pattern? I've got a drawing derived from a set of Earls gaskets with the narrow pattern. Port size 1.62"H x 1.125"W.

If you give me the port size and its relationship (height-wise) to the bolt holes, I might be able to whip up something.

vector1 04-04-2008 07:37 PM
185's have the narrow standard ford bolt pattern, 205's & 225's have both standard and wide.

stefan h 04-05-2008 11:55 AM
%/I will chech the bolt pattern and port size tomorrow. I apriciate all your inputs hope we find a solution.
Anybody else fabricating their own headers??.
(Got a parts shipment from Summit and my wheels today, spring is here!)

stefan h 04-06-2008 11:37 AM
The port size is W 1.33" by H 1.37" bolt pattern is 2". I measured in milimeter and converted to inch.

strictlypersonl 04-06-2008 03:34 PM
Is the port centered vertically on the bolts?

With only 0.335" between the edge of the port and the center of the bolt, there isn't much room for a wrench. Generally, even with the narrow port, the tubing flares out from the port but is dented in to clear the bolt head.

http://www.erareplicas.com/fiaman/engine/afr_port.jpg

stefan h 04-07-2008 01:15 AM
Thanks for the input. No it is not even centred, I am on travel a couple of days but will take more measurements and photo diring the week

Three Peaks 04-07-2008 06:33 AM
Have you checked to see if AFR, Summit, or Jegs (among others) may sell the flanges? I have a friend who can probably sell you the flanges with stubs attached if you would like to go that route?

Bob

stefan h 04-07-2008 08:10 AM
Bob, I have not checked by Summit or AFR. Keith Craft have build my engine, the heads are CNC machined so I am not sure if the port size is standard. how much do your friend ask for e set?

Three Peaks 04-07-2008 08:30 AM
Stephan,
I would need to know the exact size of your ports and relationship to the bolt hole location to see how much machining he would need to do to a standard set. A good chance the standard set will fit with little or no machining. I will check with him today and get back to you.

Bob

stefan h 04-07-2008 08:33 AM
Quote:
Originally Posted by Three Peaks (Post 832170)
Stephan,
I would need to know the exact size of your ports and relationship to the bolt hole location to see how much machining he would need to do to a standard set. A good chance the standard set will fit with little or no machining. I will check with him today and get back to you.

Bob
Thanks, will try to measure more exact

1Cobrat 04-07-2008 08:51 AM
I used a local exhaust supplier to help me fab my exhaust system. they do outstanding work. I/m sure if Chris doesn't have it he can point you in the right direction. Here is the link to his site
http://www.spdexhaust.com/HomeB.html
Let me know how it goes.

Three Peaks 04-07-2008 10:09 AM
Stefan, PM Sent

stefan h 04-10-2008 12:10 PM
Quote:
Originally Posted by strictlypersonl (Post 831981)
Is the port centered vertically on the bolts?

With only 0.335" between the edge of the port and the center of the bolt, there isn't much room for a wrench. Generally, even with the narrow port, the tubing flares out from the port but is dented in to clear the bolt head.

http://www.erareplicas.com/fiaman/engine/afr_port.jpg
I try to enclose a photo for you, but my images are too large to publish here. I will find a solution.


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