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#1
01-05-2016, 01:23 PM
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Stamped steel SD exhaust manifolds?
Hello all,
I'm in a discussion with another gent about the SD manifolds Pontiac had back in the day. We all know there are the cast aluminum ones and cast iron ones, but does anyone have any recollection or hopefully, pics of the stamped steel exhaust manifolds? I think they were designed for NASCAR use perhaps. Sure would appreciate it if any of you has a pic of these things. Kind of like sighting a Unicorn! Ha! Thanks! Kevin |
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#2
01-05-2016, 01:42 PM
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All 14 of the SD tempests came with the stamped steel manifolds.I have owned 2 sets.I believe Ken Colicino has a set of the big car stamped steel manifolds.When I get some time I will try and post a pic of the tempest exhaust.Tom
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#3
01-05-2016, 01:43 PM
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FYI,there are pics of the bigcar stamped manifolds on pg 181 of Petes book.Tom
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#4
01-05-2016, 01:44 PM
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and a pic of the tempest on pg 179.Tom
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#5
01-05-2016, 01:46 PM
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Thanks Tom. Unfortunately, I don't have Pete's book. I sure would like to see the big car stamped manifolds if you have the time and opportunity. Maybe one of these days, someone will repop them. I'd be one of the first in line if they ever do.
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#6
01-05-2016, 02:02 PM
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No chance of a repop,they were stamped out in 2 pieces and then welded together.The big car one really look like the cast SDs,takes the same collector I believe.Maybe some one with Pets book can scan the pics and post.Tom
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#7
01-05-2016, 05:11 PM
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Asked Mac McKellar about these a while ago, he could not recall the specific part, but, though they were probably fabricated with a low-cost Kirksite die set, maybe by an outside shop.
My speculation: They were looking for a solution that could possibly go to production that was lighter than iron, but less work than welding up individual tubes and a collector. I recall the gasps when Chevrolet and Ford both did a basic tube header for the Corvette (semi-block hugger) and the 5.0 Mustang (shorty) -- I think some accountants fainted. |
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#8
01-06-2016, 09:36 AM
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Here you go - sorry about the quality, couldn't get the whole book in the scanner without breaking the binding.
Page 179 Page 181
__________________
Some guys they just give up living And start dying little by little, piece by piece, Some guys come home from work and wash up, And go racin' in the street. Bruce Springsteen - Racing In The Street - 1978 |
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#9
01-06-2016, 05:25 PM
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Quote:
The Boss... Hey thank you very much! Got in a small discussion about the SD manifolds on FB. This is perfect. Now they'll know what I'm talking about, which sometimes, can be a rare feat. Thanks again! Kevin |
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#10
01-07-2016, 12:26 PM
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My pleasure - Pete's book is always close at hand.
__________________
Some guys they just give up living And start dying little by little, piece by piece, Some guys come home from work and wash up, And go racin' in the street. Bruce Springsteen - Racing In The Street - 1978 |
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#11
01-26-2016, 10:56 PM
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here is a pic of the set of Tempest SD factory headers I had.
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#12
01-26-2016, 11:42 PM
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NASCAR didn't allow tube headers in the very early 60's, I believe it was about 1965 before aftermarket headers were allowed.
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Tommy's Early Muscle Cars 1959 Pontiac Catalina Sport Coupe 3x2 3 speed manual 1960 Pontiac Ventura 425A / 4 speed 1961 Pontiac Catalina Tri Power / 4 speed 1961 Ford Starliner 390 / 401/ 4 speed 1962 Corvette 327/300 / 4 speed 1962 Gran Prix Tri Power / 4 speed 1963 Pontiac Catalina 421/ 4 speed 1964 Pontiac Catalina 3x2 / 4 speed |
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#13
01-26-2016, 11:51 PM
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they were not aftermarket they were factory installed.They were also not "tube" headers.They were stamped in 2 pieces and welded together.Tom
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#14
01-27-2016, 02:45 AM
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My foggy memory would have said they were plain steel, but the blurb in the book says "stainless". Tom- were your sets stainless?
__________________
Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) |
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#15
01-27-2016, 10:14 AM
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Jack,I thought they were.I gave them up for a real car project.Tom
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#16
01-27-2016, 12:23 PM
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Cool pic, Tom, thanks!
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