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09-27-2011, 10:28 AM
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#1 |
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Registered User
Join Date: May 2011
Location: Portland, Oregon
Posts: 26
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Header flange thickness
It has been suggested to me that I try to find headers with 1/2 inch flanges. I've looked everywhere and they don't seem to be very prevalent. I'm looking to heat wrap a natural finish set of headers, and don't want to weld them up myself, I'm a little green for that level of build. I was hoping that i could keep the cost under $500 I'm not sure if 3/8 is the new standard and I have outdated information, or if I'm just looking in the wrong places. Thanks guys!
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09-27-2011, 12:36 PM
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#2 |
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Restoration Virgin!
Join Date: Jan 2008
Location: Huntersville, NC
Posts: 8,298
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Re: Header flange thickness
pending on what engine you are running, I think member Hart_Rod has a custom made set that are very nice....check the parts section...
__________________
Geoff with a G 1968 Chevy C10 SWB The Mistress 1972 Custom Deluxe C20 Suburban A Suburban Named Isabella 1966 Ford Mustang Mama's High School Graduation Present |
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09-27-2011, 01:18 PM
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#3 |
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Quit if it's not FUN!!!
Join Date: Jul 2010
Location: Indian Trail, N.C,
Posts: 864
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Re: Header flange thickness
 Truthfully, I don't think I've ever seen any commercially made headers with 1/2" flanges. About the thickest flange out there are 3/8". Sanderson has 3/8" flanges. Some others do also.. Another suggestion, if you want heavy flanges, you might consider these: . http://www.speedwaymotors.com/Tru-Ra...olds,3823.html |
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09-27-2011, 04:23 PM
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#4 |
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Registered User
Join Date: Jun 2010
Location: Upland Ca
Posts: 4,147
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Re: Header flange thickness
I to have never seen commercially available headers with 1/2 inch flanges. As far as header wrap, think you should research that a little. They will be dust in about a year. Most header manufacturers void the warranty of wrapped headers.
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__________________
1972 C10 SWB, Air, PS, PB, 350/350THM. Second owner. 1965 Corvette roadster, 44K miles, 327/365 SHP, 4 speed, side exhaust, knockoffs, teak, second owner (bought in 1970), Have ALL numbers matching components. My frame off restoration thread: http://67-72chevytrucks.com/vboard/s...d.php?t=556703 |
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09-27-2011, 05:39 PM
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#5 |
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So,, what else you got???
 
Join Date: May 2010
Location: Jackson, Mo
Posts: 18,635
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Re: Header flange thickness
5/16 is common, 3/8 premium. Have never seen (not saying they don't make) any commercially available headers with 1/2 inch flanges.
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09-27-2011, 05:42 PM
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#6 |
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bbadfred
 
Join Date: Mar 2008
Location: rantoul Il
Posts: 461
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Re: Header flange thickness
I have never heard of a 1/2" flange. 3/8" will be fine, Thorleys have a 3/8 flange and build a nice header.
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09-27-2011, 05:52 PM
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#7 | |
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Registered User
Join Date: Nov 2007
Location: Hermiston, OR
Posts: 947
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Re: Header flange thickness
Quote:
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Running in place gets you nowhere fast. -me 1968 GTO 4-spd covnvertible 1970 K-20 4-speed, factory AC. |
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09-28-2011, 02:08 PM
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#8 |
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Registered User
Join Date: May 2011
Location: Portland, Oregon
Posts: 26
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Re: Header flange thickness
Thanks, this helps a lot. I think it should be easy to find some nice 3/8" flange headers for less than an arm and a leg.
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