Carb color

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morevair
Posts: 106
Joined: Mon Oct 30, 2017 7:07 pm

Carb color

Post by morevair »

Hey All...

Iv'e got a 66 corsa and noticed that the Rochester carbs have different colors top vs bottom... the entire carb appears to be pot metal, but the bottom is pewter colored where as the top is a brass colored... Is there an reason for this, of is it just 60's bling...

Any input is appreciated...

Jeff
Jeff M. in Phoenix, AZ
1966 Corsa 140 4-speed
morevair
Posts: 106
Joined: Mon Oct 30, 2017 7:07 pm

Re: Carb color

Post by morevair »

Sorry for my Bad typing,
I meant is there any reason for this or is it just 1960s bling...
Jeff M. in Phoenix, AZ
1966 Corsa 140 4-speed
joelsplace
Posts: 1950
Joined: Wed Oct 13, 2010 12:51 pm
Location: Northlake, TX

Re: Carb color

Post by joelsplace »

Just the way they were. I am unaware of a reason.
157 Corvairs, 5 Ultravans and counting
Northlake, TX
User avatar
TimeMachineParadox
Posts: 61
Joined: Wed Oct 16, 2019 7:23 pm
Location: Louisville, Kentucky, US

Re: Carb color

Post by TimeMachineParadox »

From what I've gathered, the bottom of the carb is a cast aluminum piece while the top is cast zinc or pot metal. The top was then zinc electroplated with cadmium (or similar) which gives it that gold color. Since aluminum is somewhat corrosion resistant, they only had to plate the top.
~Nick
Louisville, Kentucky, US

64 Greenbrier
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