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Author Topic: Headers  (Read 27941 times)
Jon Mello
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« Reply #60 on: July 18, 2013, 08:50:39 AM »

Another header manufacturer that used the Douglass style head flange. (Jon Mello Collection)

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Jon Mello
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« Reply #61 on: July 18, 2013, 01:51:44 PM »

the thinking now days about headers is not equal length as it wideneds out the torque curve.  the new grand am corvette race cars even have unequal length fuel injection intake stacks for the same reason

I would think a wider torque curve would be desirable, no?
yes it is on a road course
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new Camaros owned 68 and 69 Z-28. new Corvettes owned 59,62,63,64,65,66,97,99 02,05 and 08.
Jon Mello
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« Reply #62 on: July 18, 2013, 06:21:58 PM »

My bad. I misunderstood what you said the first time. I don't know why but for some goofy reason I came away thinking you were saying a broader torque curve was not good.
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Jon Mello
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Jon Mello
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« Reply #63 on: July 21, 2013, 01:30:54 AM »

September '69 ad for Cragar headers



An original set of Cragar headers. They appear to use the same head flange that Hooker did at this time.



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Jon Mello
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Jon Mello
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« Reply #64 on: July 26, 2013, 05:23:16 PM »

I noticed Jere Stahl of Stahl headers has an inventory reduction sale going on. In particular, I
noticed a couple of his #110 road race Camaro headers and the price was dirt cheap if you are
looking for these. It should be noted that the #110 headers sit a full inch higher in the chassis
and won't fit in a Camaro with a stock floor pan. You would have to have a car with the tunnels
in the floor like some of the old Trans-Am cars had. A good deal for somebody with a race car.

http://www.stahlheaders.com/Inventory%20sale%20drag.htm
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Jon Mello
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« Reply #65 on: July 26, 2013, 08:07:42 PM »

Jon,
they also call out for spread port heads..  You can make them work on stock heads with adapters but not intended for that & it could cause some fitment issues with the steering box & steering components.
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Darrell Cook

1967 LeMans Blue SS/RS L35 clone
1968 Rallye Green SS L78 - unrestored original
1968 Matador Red Z28
OG69Z
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« Reply #66 on: November 02, 2013, 10:38:38 AM »

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Jon Mello
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« Reply #67 on: August 21, 2014, 10:27:39 PM »

Here are some Douglass header pieces that came in an NOS header kit, # HK-1405-D , that I recently purchased.
Hopefully the shots of some of the original hardware are useful to some of you.

















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Jon Mello
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Jon Mello
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« Reply #68 on: August 22, 2014, 10:53:38 AM »

Photos of original Douglass header gaskets recently purchased from Jere Stahl.


Photo by Chick Renn


Photo by Chick Renn
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Jon Mello
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« Reply #69 on: August 28, 2014, 02:40:53 PM »

Nice finds Jon...where diid you find the Douglass kit?
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Jon Mello
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« Reply #70 on: August 28, 2014, 04:02:29 PM »

Nice finds Jon...where diid you find the Douglass kit?

The kit was on ebay recently. Because the name was partially torn off the label, I don't remember it being listed as a Douglass item.
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Jon Mello
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Jon Mello
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« Reply #71 on: August 30, 2014, 12:04:56 AM »

1967 Hedman Hedder catalog. At only 8 total pages, including front and back cover, it is not as voluminous as the majority of
other header catalogs that I have come across. The small block Camaro header is part number H-CH15. (Jon Mello Collection)
















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Jon Mello
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« Reply #72 on: August 30, 2014, 09:28:04 PM »

I am glad you were able to buy those Douglass headers and gaskets.  Nice find.
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1968 Camaro SS - now 468 BBC, M21, 12 bolt.
Bryon
Jon Mello
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« Reply #73 on: August 31, 2014, 12:04:21 AM »

Thanks, Bryon. Here's a 1967 Cyclone Header catalog and price sheet. The small block Camaro header part number is HE-410.
I don't see a listing for a big block Camaro header in this catalog. (Jon Mello Collection)

















































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Jon Mello
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Jon Mello
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« Reply #74 on: September 01, 2014, 12:42:53 AM »

Here's the 1969 Cyclone Header catalog. Notice that the flange that mates to the cylinder head is different from that shown in the '67 catalog. This is due to
Chevrolet changing the water temperature sender location from the intake manifold to the cylinder head on the small block V8 in '68. (Jon Mello Collection)























































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Jon Mello
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