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Click on image for the lowdown. 
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| | | Forums66 Topics128,049 Posts1,055,638 Members48,426 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Oct 2006 Posts: 9,671 'Bolter | | 'Bolter Joined: Oct 2006 Posts: 9,671 | It'a a ball check for accelerator pump. When you accelerate the ball seats and fuel is forced into the air stream. Without the check the accelerator pump will pump fuel back into the well instead of through the circuit.
Denny Graham
Sandwich, IL
Denny G
Sandwich, IL
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