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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: Oct 2021 Posts: 6,852 'Bolter | | 'Bolter Joined: Oct 2021 Posts: 6,852 | That's correct. No vacuum advance if the dizzy isn't connected to a vacuum port at the carb.
I think the canister at the carb is the choke pull-off.
If there are no other ports in the carb base, install a T. Just to satisfy everyone's curiosity, disconnect the pull-off and connect the dizzy advance and take it for a drive. You'll probably notice better performance and better fuel efficiency.
1950 Chevrolet 3100 (Ol' Roy)
1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)
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