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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Dec 2008 Posts: 1,922 'Bolter | | 'Bolter Joined: Dec 2008 Posts: 1,922 | The choke is presumably close to correct setting.
I would never assume that.
Correct always begins with the choke blade completely closed with the engine cold (off at least 4 hours), and with this carburetor open 9/64" (.141") measured from the edge of the choke to the throat ID when the engine starts. If it doesn't close all the way, or opens to more than .141" it will be too lean. | | |
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