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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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Nothing gets "sucked" into the carb. As I recall the tube transfers heat to a spring inside the choke unit. The spring expands when heated, turning the choke "flapper" (valve) inside the carburetor.
Tim
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