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Author
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Topic: Header selection
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slik2
Journeyman Posts: 22
From: paramount
Registered: Dec 2005
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posted 12-05-2005 12:01 AM
   
Just joined. Looking for a good header for my 66 coupe. Will use an AOD. I am confused between shorty and long Tube. I hear the long tubes are better. I have Hedman, Hooker (comps), sanderson and the FPA headers. Can someone also give me info on the tri-Y header vs. the 4 into 1 header. This is a mildly built 302, but I would like fo rit to perfoam at it's optimum performance cabalilities engine wise.
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rmousir
Gearhead Posts: 778
From: Amelia, Ohio
Registered: May 2003
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posted 12-05-2005 07:16 PM
I am sure that my facts are only partly correct. The tri-y is more like what the shelbys used. I am not sure about the 4into1 header.I suggest the long headers over the shorties. I am looking at the same thing right now and i also plan to use a AOD in the future. I have been looking at Headman but am not sure. If you can get a hold of the summit racing parts catalog as well as the NPD and mustangs plus parts books. Then look them over. They have lots of little tid bits on what headers do what. Hope this helps. Richard. ------------------
rmousir
'66 Mustang
Ford Blue & white stripes
302 auto
Mustang ~ 04-05
SOON TO HAVE A NEWER '95 HO
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slik2
Journeyman Posts: 22
From: paramount
Registered: Dec 2005
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posted 12-05-2005 07:50 PM
The 4 into 1 is your standard long tube header.
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John Z
Gearhead Posts: 479
From: Morgantown, WV
Registered: Jul 99
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posted 12-06-2005 09:39 AM
Life is a compromise. Considerations are cost, ease of installation, driving issues, and performance.
Let's review your options
Standard cast iron manifolds - cheap, durable, stock, bad performance
Highpo cast iron manifold - cost a little more, durable, stock on some models, a little performance improvement
Tri-Y used on Shelby mustangs, decent performance,
Short tube - 4 into 1 collectors, good clearance for street driving, good low end torque
Long tube - also 4 into 1 collectors, can drag on the street, advantage at high rpm
To see the different types of headers, see
http://www.mustangsplus.com/Merchant2/merchant.mv?Screen=CTGY&Store_Code=MPFMP&Category_Code=exh
I just picked a page, it's not an endorsement of that site.
Other considerations - X or H cross over, pipe size and mufflers. You're looking at an exhaust system - not just the headers.
I have JBA shorties on mine and am very happy.
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