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What color was the stock intake manifold on a 1972 Opel GT?
Mine was painted black but I am not the original owner and I want to try to keep it stock color.
 

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Can Opeler
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What color was the stock intake manifold on a 1972 Opel GT?
Mine was painted black but I am not the original owner and I want to try to keep it stock color.
Bare metal.
 

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Pedal Smasher
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Not possible on aluminum... It can oxidize but it doesn't rust. Oxidized aluminum is actually stronger.

What is the color of the exhaust manifold? Now that would be a rusty reddish brown.
 

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Discussion Starter #6
Thanks. I am going to try to polish mine with aluminum polish then.
I will post pics when completed
 

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Super Moderator
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It was bare aluminum, but with plenty of overspray from the head, as delivered from Opel.
 

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Can Opeler
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It was bare aluminum, but with plenty of overspray from the head, as delivered from Opel.
They really painted the head with the manifold bolted up? That’s just lazy lol.
 

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Solo II is fun in a GT!
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They really painted the head with the manifold bolted up? That’s just lazy lol.
Speed and efficiency is what they were all about. They did not want to sped time cleaning the ports to get a good seal. I guess they figured no one would care, Engineers: go figure.
 

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Speed and efficiency is what they were all about. They did not want to sped time cleaning the ports to get a good seal. I guess they figured no one would care, Engineers: go figure.
Cost cutting affects engineering, craftsmanship and pride, and usually not in a good way.
 
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