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By Daniel Jessup - 3 Years Ago
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Does anyone have any photos or suggestions on modifying SBC headers by cutting off the XXXX flange, separating the two middle tubes, and welding up a Y Block header flange? Particularly interested in what anyone has done for a 55/56 Ford passenger car with standard transmission. I would be in the market for a set of Jardeen's but that may be a rare find right now.
Any leads on quality flanges?
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By Joe-JDC - 3 Years Ago
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Speedway motors has header flanges available for the Y Block for ~$49. I have two sets, and found them to be smallish for my requirements, but was able to open up the port sizes quite easily. They will work well with either a 1 1/2" or 1 5/8" pipe. I needed a 1 3/4" primary for my dyno headers. You might try Stan at FPA for a set of headers. They are not cheap, but they do make good horsepower and torque for the Thunderbird.
BTW, Jon Kaase used a SBC set of headers that he modified for his EMC Y block build, and if my memory is correct, Ted's dyno headers started life as SBC headers. Joe-JDC
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By Daniel Jessup - 3 Years Ago
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Thanks Joe, from yourself and the two builders you mentioned it surely sounds like I am on the right track here. I will contact Stand and see what he has. I did re-read Ted's article on the dyno results of a variety of headers, but I find that the typical 4 into 1 header for the Y Block and the 55/56 Ford passenger car application do not include many options.
Thanks again,
Dan
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By miker - 3 Years Ago
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This info is 10 years old, so something might have changed. I bought the flanges for my roadster from Stan’s Headers in Auburn. At that time he produced them, and I believe he also built the FPA bird headers to their design. They happen to be located between me and my mothers house, so I drive by them a couple times a week. 2 different “Stan’s”
http://www.stans-headers.com/
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By MattsY - 3 Years Ago
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Stainless Headers has 'em in mild steel and stainless.
https://www.stainlessheaders.com/product/ford_y_block_steel_header_flange
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By Daniel Jessup - 3 Years Ago
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fellas, Stan with FPA already got back with me and he says he has nothing that will fit.
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By charliemccraney - 3 Years Ago
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I've contacted FPA about truck headers several times. Each time they say not enough interest to produce and they can make a custom set but it is prohibitively expensive, both understandable. I imagine it would be the same for anything but the T-Bird headers they produce.
It doesn't help with this thread but I also asked if I could buy just the tubes for the T-Bird headers so I could modify as necessary. They wouldn't do that, either.
What were the Red's Headers that Gary brought to the shootout and handed to Ted for testing? They are for some passenger car application.
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By Joe-JDC - 3 Years Ago
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Has anyone actually tried to fit a pair of FPA headers into any other chassis? I don't see why they would not work in a car. They are really close to the engine. It has been a long time since I had a '56 Fairlane, but there can't be a whole lot of difference in those engine bays between the '55-'56-'57 cars and 'birds. Just a thought. Joe-JDC
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By Daniel Jessup - 3 Years Ago
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miker (8/11/2021)
This info is 10 years old, so something might have changed. I bought the flanges for my roadster from Stan’s Headers in Auburn. At that time he produced them, and I believe he also built the FPA bird headers to their design. They happen to be located between me and my mothers house, so I drive by them a couple times a week. 2 different “Stan’s” http://www.stans-headers.com/
looks like $168 a pair for the Flanges... 
I will contact him as well though.
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By Lord Gaga - 3 Years Ago
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Charlie,
'56-'58. Beautiful and pricey!!!
https://reds-headers.net/index.php?main_page=product_info&cPath=10&products_id=857&zenid=324bo3hatfjiep3su7ft1sl714
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By Cliff - 3 Years Ago
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Bruce Young of Y Block Magazine used to make flanges, If there is enough interest, I can make a few sets, ether round tube or square.
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By Cliff - 3 Years Ago
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Speedway makes them $50.00, however their 5/16 thick
https://www.speedwaymotors.com/Ford-292-312-Y-Block-Header-Flange,6901.html?sku=41811005&utm_matchtype={match_type}&msclkid=1af5b95056a117708572d8440631196f&utm_source=bing&utm_medium=cpc&utm_campaign=SMI%20-%20Shopping%20(CSE)%20(Bing)&utm_term=4577404348890847&utm_content=All%20Products%20(Feb28_2020)
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By famdoc3 - 3 Years Ago
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I’m having them water jetted locally from stainless to work with a pair of stainless small block scruby t-bucket style headers for my Model A hot rod build. Should be done in the next few weeks. bought a pair of flanges on eBay a couple of years ago for another header build I did but they were mild steel. Worked ok. MIKE
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By miker - 3 Years Ago
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Joe, I don’t think the Thunderbird headers will clear the motor mounts on a passenger car. They also have a welded mount on the header that picks up the “steady rest” side bars. It’s all damn tight installed, and the oil filter is a b.cth to change.
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By stuey - 3 Years Ago
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Found this on E-pay
https://www.ebay.com/itm/274605932447?hash=item3fefc9ff9f:g:55YAAOxyY7FRC14m
stuey
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By Daniel Jessup - 3 Years Ago
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FYI on Speedway flanges… they happened to be 3/8” thick. Their listing does say 5/16” but the ones I just purchased and had shipped are exactly 3/8”.
Look to be well made but anyone else use the flanges from Speedway also?
S
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