Recommendation for SB Headers
Le Mans Master
Joined: Feb 1999
Posts: 8,351
Likes: 75
From: Tampa Bay FL
I drove my C3 with open headers to a muffler shop and they fabricated and installed an entire aluminized dual exhaust for under $250 using my Dynomax Super Turbo Mufflers. This was back near 2000 so prices are probably a bit higher.
You can probably get aluminized pipes bent and welded between headers and your side pipes for under $150 installed. Perhaps under $100 with minimum bends and clamps (no welds).
Thread Starter
Heel & Toe
Joined: Mar 2016
Posts: 20
Likes: 0
The closest you will get to stock fit is with block-hugger headers. You may as well stay with your cast iron manifolds until you can afford to adapt your exhaust system to headers.
I drove my C3 with open headers to a muffler shop and they fabricated and installed an entire aluminized dual exhaust for under $250 using my Dynomax Super Turbo Mufflers. This was back near 2000 so prices are probably a bit higher.
You can probably get aluminized pipes bent and welded between headers and your side pipes for under $150 installed. Perhaps under $100 with minimum bends and clamps (no welds).
I drove my C3 with open headers to a muffler shop and they fabricated and installed an entire aluminized dual exhaust for under $250 using my Dynomax Super Turbo Mufflers. This was back near 2000 so prices are probably a bit higher.
You can probably get aluminized pipes bent and welded between headers and your side pipes for under $150 installed. Perhaps under $100 with minimum bends and clamps (no welds).
Team Owner
Joined: Sep 2006
Posts: 31,273
Likes: 4,366
From: Westminster Maryland
Hi Joe,
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
Melting Slicks
Joined: May 2011
Posts: 2,753
Likes: 119
From: Springfield Missouri
I had to remove all the shielding on my 76, including my a/c mounting bracket, which was replaced with an aftermarket bracket. I ran my spark plug wires low like the original ones were. No problems with the Taylor wires, yet.
Thread Starter
Heel & Toe
Joined: Mar 2016
Posts: 20
Likes: 0
Hi Joe,
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Wow great pictures
Thanks
Now can you recommend a set of headers that will fit stock side pipes?
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Wow great pictures
Thanks
Now can you recommend a set of headers that will fit stock side pipes?
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
Le Mans Master
Joined: Feb 1999
Posts: 8,351
Likes: 75
From: Tampa Bay FL
Hi Joe,
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
There are 2 things to consider with the shielding:
First, the spark plug hear shields mount to the side of the block and extend up between the spark plug pairs. The headers may prevent that, but maybe not.
Second, the radio shielding attaches to small brackets that attach to the engine using the exhaust manifold bolts. The header mounting bolts may or may not allow the brackets and shields to be used.
Regards,
Alan
Right side heat shielding.
Brackets (w/wing nuts) for radio shielding in place on manifold bolts.
Radio shielding in place.
I use the 'V' shields along the underside of the block to route the spark plug wires for 1/3 and 2/4 cylinders. I like the fact the spark plug wires are not visible from above save for where they meet the spark plugs. red wires and reinforced silicone boots (Taylor).
All wires go through the 8mm 4-wire looms at rear of engine (behind each cylinder head) and I use the MSD 2-wire 'twist-on' clamps at distributor and to control the placement of the wires near but not ON the headers of all spark plug wires as they run near the headers. They have worked perfectly for over 15 years.
I have Taylor custom fit Spiro Pro 8mm spark plug wires. I like they are red like my MSD distributor cap (close to the color of my C3 too).
http://www.jegs.com/i/MSD/121/8842/1...gaAmP1EALw_wcB
Last edited by TedH; Feb 21, 2018 at 12:59 PM.
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Team Owner
Joined: Sep 2006
Posts: 31,273
Likes: 4,366
From: Westminster Maryland
Hi Joe,
In my first post I addressed the radio shielding issue.
The shields are supported by small brackets that use the exhaust manifold bolts for attachment. (Look at the second photo.) Whether they will be usable with a header I don't know.
I'd question what effect a header that is designed to mate up with the side exhaust head pipe can have on performance.
Are you thinking this will result in enough of an increase in hp that you'll be able to notice a difference?
Regards,
Alan
In my first post I addressed the radio shielding issue.
The shields are supported by small brackets that use the exhaust manifold bolts for attachment. (Look at the second photo.) Whether they will be usable with a header I don't know.
I'd question what effect a header that is designed to mate up with the side exhaust head pipe can have on performance.
Are you thinking this will result in enough of an increase in hp that you'll be able to notice a difference?
Regards,
Alan
Thread Starter
Heel & Toe
Joined: Mar 2016
Posts: 20
Likes: 0
Hi Joe,
In my first post I addressed the radio shielding issue.
The shields are supported by small brackets that use the exhaust manifold bolts for attachment. (Look at the second photo.) Whether they will be usable with a header I don't know.
I'd question what effect a header that is designed to mate up with the side exhaust head pipe can have on performance.
Are you thinking this will result in enough of an increase in hp that you'll be able to notice a difference?
Regards,
Alan
In my first post I addressed the radio shielding issue.
The shields are supported by small brackets that use the exhaust manifold bolts for attachment. (Look at the second photo.) Whether they will be usable with a header I don't know.
I'd question what effect a header that is designed to mate up with the side exhaust head pipe can have on performance.
Are you thinking this will result in enough of an increase in hp that you'll be able to notice a difference?
Regards,
Alan
Burning Brakes
Joined: Oct 2012
Posts: 1,152
Likes: 252
No. You will not get a meaningful hp increase from shorty headers and your stock connecting pipe.
You will need long tube headers like these to improve power ...
https://www.google.com/search?q=corv...depipe+headers
Will you be able to retain your OEM chrome ignition shielding using the aftermarket headers? Not very likely, a couple of pieces at most.
R
You will need long tube headers like these to improve power ...
https://www.google.com/search?q=corv...depipe+headers
Will you be able to retain your OEM chrome ignition shielding using the aftermarket headers? Not very likely, a couple of pieces at most.
R
Last edited by Dynra Rockets; Feb 21, 2018 at 06:17 PM.
Team Owner
Joined: Sep 2006
Posts: 31,273
Likes: 4,366
From: Westminster Maryland
Hi Joe,
Well, I really don't know what to say!
I don't know much about making horsepower, but I don't see how changing from the rams horn manifold to a header that bolts to your existing 69 style side exhaust head pipe, with NO modification, can make many more horsepower.
I think people typically believe that the 69 style side exhaust is about appearance and sound, NOT about horsepower.
Regards,
Alan
Well, I really don't know what to say!
I don't know much about making horsepower, but I don't see how changing from the rams horn manifold to a header that bolts to your existing 69 style side exhaust head pipe, with NO modification, can make many more horsepower.
I think people typically believe that the 69 style side exhaust is about appearance and sound, NOT about horsepower.
Regards,
Alan
Last edited by Alan 71; Feb 22, 2018 at 08:59 AM.
Thread Starter
Heel & Toe
Joined: Mar 2016
Posts: 20
Likes: 0
Hi Joe,
Well, I really don't know what to say!
I don't know much about making horsepower, but I don't see how changing from the rams horn manifold to a header that bolts to your existing 69 style side exhaust head pipe, with NO modification, can make many more horsepower.
I think people typically that the 69 style side exhaust is about appearance and sound, NOT about horsepower.
Regards,
Alan
Well, I really don't know what to say!
I don't know much about making horsepower, but I don't see how changing from the rams horn manifold to a header that bolts to your existing 69 style side exhaust head pipe, with NO modification, can make many more horsepower.
I think people typically that the 69 style side exhaust is about appearance and sound, NOT about horsepower.
Regards,
Alan