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 28Likes
12-07-2020, 07:27 AM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,507
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Not Ranked
Dan,
Those look quite similar to mine, with the exception that at the end of the collector I have a flange and the originals have a welded tube that carries further down and then bends out and back. It also looks like there may be extensions for the header bolts, which is nice as there are a couple of tubes that the header bolt heads scrape a little as you are turning them until you get them further seated.
Thanks.
Jim
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12-07-2020, 07:45 AM
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CC Member
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Join Date: Apr 2004
Posts: 1,033
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Quote:
Originally Posted by 1795
Dan,
Those look quite similar to mine, with the exception that at the end of the collector I have a flange and the originals have a welded tube that carries further down and then bends out and back. It also looks like there may be extensions for the header bolts, which is nice as there are a couple of tubes that the header bolt heads scrape a little as you are turning them until you get them further seated.
Thanks.
Jim
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I have a set of old used road race headers less the slip on down and turn out pipes. I bought them in the 1970s years before I bought a Cobra. I was going to use them with the play engine but that didn't work out as exhaust port sizes are 1963-65 race legal rectangles. By 1966-67 even stock 289 heads were getting ported to larger sizes in race organizations that allowed larger (or different shape) sizes.
My ex-Shelby race team heads have much larger exhaust ports. Using 1963-65 headers with cylinder heads with high flow, later race or aftermarket, would ruin the benefit of free breathing heads.
We ended up using a set of Jim Cowles’ headers like Jeff shows. We had to enlarge a couple of ports and spend days making them fit out red car. I would not go through making them work again.
Any car any engine other than box stock, #1 determine what header ports and tube sizes you will require and #2 onward any other considerations. (It would be a waste to install 1963 specification / made headers on modern aftermarket super flow Brand X heads in my opinion.)
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Dan Case
1964 Cobra owner since 1983, Cobra crazy since I saw my first one in the mid 1960s in Huntsville, AL.
Last edited by Dan Case; 12-07-2020 at 08:01 AM..
Reason: add detail
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12-07-2020, 08:44 AM
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CC Member
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Join Date: Dec 2020
Location: Shawnee,
OK
Cobra Make, Engine: Scratch 289 chassis
Posts: 12
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Not Ranked
This is all very good information. I have a set that I came with a scratch chassis ,supposedly copied from CSX2057, that I am trying to determine if they are junk or something significant. I'll post pics later this week once I dig them out of the pile of parts that came with the chassis but they resemble the Tri-Ys that 1985 CSX posted the most.
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12-07-2020, 10:32 AM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 19,111
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Not Ranked
Quote:
Originally Posted by okkarner
This is all very good information. I have a set that I came with a scratch chassis ,supposedly copied from CSX2057, that I am trying to determine if they are junk or something significant. I'll post pics later this week once I dig them out of the pile of parts that came with the chassis but they resemble the Tri-Ys that 1985 CSX posted the most.
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The version I have are Belanger style, (name from memory?) and they follow inside towards the frame. The left side passes between pedalbox and the frame to be specific. The 4 into one type are available from a few sources, had a set of those in the past.
As always Dan is a great resource for all 289 things.... Thanks Dan |
12-07-2020, 10:59 AM
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Join Date: Apr 2004
Posts: 1,033
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You are welcome.
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Dan Case
1964 Cobra owner since 1983, Cobra crazy since I saw my first one in the mid 1960s in Huntsville, AL.
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12-07-2020, 11:36 AM
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CC Member
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Join Date: Feb 2013
Location: Carlsbad,
Ca
Cobra Make, Engine: SAI FIA, 289HP (5-bolt), 48IDA Webers
Posts: 1,244
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Not Ranked
Deleted
Last edited by CompClassics; 07-18-2023 at 10:54 PM..
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12-07-2020, 06:45 PM
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CC Member
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Join Date: Apr 2005
Location: Tucson,
AZ
Cobra Make, Engine:
Posts: 5,391
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Ross sent me a couple photos of exactly the headers I was thinking of. Thank you Ross!
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Alba gu brąth
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12-07-2020, 07:48 PM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,507
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Ross is a wonderful asset to have around. He was invaluable in my build. A great friend to have.
Jim
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12-08-2020, 09:00 AM
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Senior Club Cobra Member
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Join Date: Mar 2005
Location: Manchester,
NH
Cobra Make, Engine: AK1085 (302 Street), HTM111 (427 Comp), CSX2375R (289 Comp) and COB5999 (427 S/C)
Posts: 19,111
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Not Ranked
Quote:
Originally Posted by 1795
Ross is a wonderful asset to have around. He was invaluable in my build. A great friend to have.
Jim
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Amen and very true! |
12-09-2020, 02:34 PM
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CC Member
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Join Date: Dec 2020
Location: Shawnee,
OK
Cobra Make, Engine: Scratch 289 chassis
Posts: 12
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Not Ranked
Here are the ones I have. Like I stated previously, I was just trying to determine what they were and if they have any value.
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12-09-2020, 03:19 PM
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CC Member
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Join Date: Aug 2013
Location: Canandaigua,
NY
Cobra Make, Engine: SPF MKII Riverside Racer FIA
Posts: 2,507
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Not Ranked
How wide are they at the range? 2.5" or 3"?
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12-23-2020, 07:34 PM
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CC Member
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Join Date: Jul 2003
Cobra Make, Engine: Unique Motorcars 289 USRRC, 1964 289 stroked to 331, toploader
Posts: 1,136
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Not Ranked
I am curious... did any of the race Cobras use 180 degree headers? Would there have been an advantage to that? Is this what they sound like? This thing screams!
https://www.youtube.com/watch?v=xboAVaxpD08
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Paul
Unique Motorcars 289 USRRC
1964 289 5-bolt block
Toploader and 3.31 rear
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02-04-2024, 10:36 AM
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CC Member
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Join Date: Jan 2024
Cobra Make, Engine:
Posts: 63
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Do someone know if the stock 65 Shelby GT350 tri y headers would fit a 289 Cobra ?
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02-04-2024, 12:28 PM
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CC Member
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Join Date: Apr 2004
Posts: 1,033
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Quote:
Originally Posted by Godabitibi
Do someone know if the stock 65 Shelby GT350 tri y headers would fit a 289 Cobra ?
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No. GT350 headers are similar in design to the COBRA "drag race" headers but that is about it.
__________________
Dan Case
1964 Cobra owner since 1983, Cobra crazy since I saw my first one in the mid 1960s in Huntsville, AL.
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