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Old 10-17-2021, 09:40 PM
solospeedshop solospeedshop is offline
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Default Rare Camaro History

Solo Smokey Update Okay found some super cool Camaro history!
Rumor has it that Chevrolet came out with a 3x2 manifold for Trans Am Racing and then the project was scrapped. They were working on this before the first 67 Camaro was made Well I can now document this I pulled off the manifold on my 69 Z28 that previous owner Larry Schreib bought it off of Smokey Yunick himself I flipped over the manifold and could not believe it is dated 2/9 /66 it's all true case solved! Thanks in advance Bill Fowler / Solo Speed Shop
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Old 10-17-2021, 11:29 PM
6t7 camaro 6t7 camaro is offline
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That is way cool! I had read about those somewhere and had always wondered if any/how many had been made. Thanks for sharing!
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Old 10-17-2021, 11:37 PM
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1967Z28 1967Z28 is offline
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While you have the manifold off it is a good time to clean it, but don't beadblast it.
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Old 10-17-2021, 11:43 PM
Charley Lillard Charley Lillard is offline
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I mentioned Dry Ice blasting on Facebook....
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Old 10-18-2021, 12:31 AM
SuperNovaSS SuperNovaSS is offline
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That is really cool. Thanks for sharing. I use plastic media frequently to clean parts like this. It take off the dirt and surface corrosion without altering the finish.


Jason
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Old 10-18-2021, 01:26 AM
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NorCam NorCam is offline
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Vapor blasting is the way to go these days. David Beem is a site sponsor here and has the latest apparatus setup for proper cleanup.

You can contact him through his bodyshop I think? https://fixautousa.com/location/colorado-springs/
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Old 10-18-2021, 02:30 AM
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Lee Stewart Lee Stewart is offline
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Why would they use a 3X2 setup for Trans Am Racing instead of 2X4?
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Old 10-18-2021, 11:45 AM
William William is offline
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They didn't.

The 3 x 2 manifold was never released to production and is not listed in the SCCA T/A Homologation documents for the Z/28.
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Old 10-18-2021, 02:29 PM
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John Brown John Brown is offline
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Just because it wasn't used doesn't mean it wasn't under consideration. Engineers try things to see what works best. The 3x2's must not have come out on top.

Personally, I used to run two 650 cfm Holley two barrels on a cross ram manifold in an IHRA drag class because the class record was softer than it was with a single four barrel. Rule books were meant to be read, whether it's Trans Am or drag racing.
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Old 10-18-2021, 02:33 PM
ELEFUNTMAN ELEFUNTMAN is offline
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Nice rocker arms and headers too!!
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