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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jan 2013 Posts: 1,518 'Bolter | | 'Bolter Joined: Jan 2013 Posts: 1,518 | The hole is not on the intake manifold, but on the phenolic spacer and base of the carb flange, tip the carb upside down and look for the vacuum hole on the mating flange. See the divot to introduce vacuum on this spacer https://www.chevsofthe40s.com/detai..._Bakelite_Insulator_Carb_Base_235ci.html
Last edited by sstock; 08/24/2019 1:59 PM.
1953 Chevrolet 3100261 cu inch, sm420, 3.55 rear, torque tube still,omaha orange, still 6 volt, RPO green glass, side carrier spare, all done In the DITY GalleryVideo of the 261 running1964 GMC 1000305 Big Block V6, sm420, the next cab off restoration
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