A Tale of Two 2457 Hooker Headers (long) - Team Camaro Tech
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post #1 of 4 (permalink) Old Apr 15th, 17, 08:15 PM Thread Starter
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A Tale of Two 2457 Hooker Headers (long)

In doing all the reading and research everyone else does trying to pick the header to use with my big block in the 68 I read several conflicting experiences with Hooker 2457's. Some people had no problems with clearance and for others the same header wouldn't fit. I was conflicted also. It boiled down to two headers for me. Either the Hooker 2457 or Doug's D320.
I thought I was ahead of the game since I had an old set of Hooker 2457's to use for clearance checking. They are too beat up for anything else. A club buddy gave me a 396 block to use. (The machined and prepped block stays in hibernation) In went the bare block, drivers side head, bell housing and tranny. The motor was sitting centered on small block frame mounts and a small block crossmember. I installed the driver side header and it fit with excellent clearance around the manual steering box. I was highly pleased and with confidence ordered a set of ceramic 2457 Hookers from Summit.
Of course they didn't fit.
I had to install big block frame mounts and a big block crossmember and then the clearance was great.
In finding out why the newer 2457 header didn't fit I found that the older header fell off quicker or dropped down from the exhaust port in a shorter distance than the new does. That's not the whole answer.
Both headers are stamped 2457. The older header has the Hooker badge on #1 pipe that reads Hooker Competition. The newer header badge reads Hooker Classic. Whaaa??????
So if someone told you their 2457's fit fine and you run out and buy a set they may not.
To be fair, it is written at Summit that big block frame mounts must be used for these "classic" headers. I wanted to keep the motor centered and thought I was going to get away with it since I use a manual steering box.
The picture shows the clearance around the manual box with the new headers. I had the same clearance with the old headers sitting on small block hardware. I don't really feel ripped off, just a bit disappointed that someone had to fool with the design.
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post #2 of 4 (permalink) Old Apr 15th, 17, 09:07 PM
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Re: A Tale of Two 2457 Hooker Headers (long)

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Originally Posted by Moonpie View Post
In doing all the reading and research everyone else does trying to pick the header to use with my big block in the 68 I read several conflicting experiences with Hooker 2457's. Some people had no problems with clearance and for others the same header wouldn't fit. I was conflicted also. It boiled down to two headers for me. Either the Hooker 2457 or Doug's D320.
I thought I was ahead of the game since I had an old set of Hooker 2457's to use for clearance checking. They are too beat up for anything else. A club buddy gave me a 396 block to use. (The machined and prepped block stays in hibernation) In went the bare block, drivers side head, bell housing and tranny. The motor was sitting centered on small block frame mounts and a small block crossmember. I installed the driver side header and it fit with excellent clearance around the manual steering box. I was highly pleased and with confidence ordered a set of ceramic 2457 Hookers from Summit.
Of course they didn't fit.
I had to install big block frame mounts and a big block crossmember and then the clearance was great.
In finding out why the newer 2457 header didn't fit I found that the older header fell off quicker or dropped down from the exhaust port in a shorter distance than the new does. That's not the whole answer.
Both headers are stamped 2457. The older header has the Hooker badge on #1 pipe that reads Hooker Competition. The newer header badge reads Hooker Classic. Whaaa??????
So if someone told you their 2457's fit fine and you run out and buy a set they may not.
To be fair, it is written at Summit that big block frame mounts must be used for these "classic" headers. I wanted to keep the motor centered and thought I was going to get away with it since I use a manual steering box.
The picture shows the clearance around the manual box with the new headers. I had the same clearance with the old headers sitting on small block hardware. I don't really feel ripped off, just a bit disappointed that someone had to fool with the design.
I had a set of 2457s on a previous 67 396 7 years ago and bought them from Jeg's.....they just barely cleared the PS box, real tight. A couple of months later one of the welds on the right side header leaked at the flange so I called Jeg's and they said to return them for a new set under warranty. Did that, got the new set and the left side one cleared the PS box by more than 3/8". So much for manufacturing tolerances, but I generally have always been happy with Hookers.

67 Plain Jane being assembled with 427, 4 spd Muncie, 12 bolt rear with Mosers, 4 wheel discs
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post #3 of 4 (permalink) Old Apr 16th, 17, 04:16 AM
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Re: A Tale of Two 2457 Hooker Headers (long)

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post #4 of 4 (permalink) Old Apr 16th, 17, 07:34 AM Thread Starter
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Re: A Tale of Two 2457 Hooker Headers (long)

This will actually be the first set of Hookers I've ever had.
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