RaysnCayne
Frequent Contributor
Posts: 1068

Loc: Richmond, VA
Reg: 07-29-03
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01-11-25 07:13 AM - Post#2876964
Hey y'all,
Anyone know of a manufacturer that does 1.75" long-tube headers for a SBC in my '68 Biscayne? Everything I'm finding for a reasonable price is 1-5/8".
'68 Biscayne
406/TH200-4R/3.90-12 bolt
11.76 at 114mph
The Cayne |
Edited by RaysnCayne on 01-11-25 07:14 AM. Reason for edit: No reason given.
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bobb
Super Senior Member
Posts: 6916
Loc: paradise
Reg: 09-05-03
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01-11-25 09:02 AM - Post#2876970
In response to RaysnCayne
i have a body schoenfelds 1.75"
70 L camino, grampa engine, g-force 5 spd, road rage suspension. Pray first before all else fails. |
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Shepherd
Valued Contributor
Posts: 3681
Loc: Lake George, NY
Reg: 11-11-15
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01-11-25 10:14 AM - Post#2876976
In response to RaysnCayne
1 5/8" is right size for a moderately built small block, larger is usually a competition based design.
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RaysnCayne
Frequent Contributor
Posts: 1068

Loc: Richmond, VA
Reg: 07-29-03
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01-11-25 01:04 PM - Post#2876980
In response to Shepherd
I hear ya, Shep.
But as you can see in my sig, I'm running a fairly stout and slightly biggish sbc. I'd say one step above "moderately built". And at this point in its development, the 1-5/8" Hedmans I'm currently running, are not helping it breathe free enough.
'68 Biscayne
406/TH200-4R/3.90-12 bolt
11.76 at 114mph
The Cayne |
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Shepherd
Valued Contributor
Posts: 3681
Loc: Lake George, NY
Reg: 11-11-15
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01-11-25 01:16 PM - Post#2876981
In response to RaysnCayne
Pretty sure Hooker makes a 1 7/8 header.
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RaysnCayne
Frequent Contributor
Posts: 1068

Loc: Richmond, VA
Reg: 07-29-03
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01-11-25 02:16 PM - Post#2876983
In response to Shepherd
1.875" is too big. At that point, I'd have to run the Stahl flanges/adapters to make that size work. I'm specifically looking for 1.75" as that's the biggest I want to go using the factory exhaust flange config.
'68 Biscayne
406/TH200-4R/3.90-12 bolt
11.76 at 114mph
The Cayne |
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Shepherd
Valued Contributor
Posts: 3681
Loc: Lake George, NY
Reg: 11-11-15
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01-11-25 02:34 PM - Post#2876987
In response to RaysnCayne
Yes, I meant 1 3/4. Sanderson lists 1 3/4 headers but look like block huggers. I had 1 7/8 Hooker comp headers on my 426 Mopar race car, it had 1.88 exhaust valves
Edited by Shepherd on 01-11-25 02:37 PM. Reason for edit: No reason given.
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