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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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For helping keep this great
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on the Internet for over 30 years! and not clogged down
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| | | | Joined: Sep 2001 Posts: 29,269 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,269 |
I have tried:
Dual original one-barrel Rochesters - too much flow (a little rough) at low RPMs but good response at high RPMs.
Dual progressive two-barrel Carter-Webers - no enough flow at high RPMs
SWEET has a nice set-up - I think he has dual carter one-barrel carbs (from 216s?)
I now have (two weeks of use) a single two-barrel Holley AA-1 carburetor that was used on GMC 270/302. It has variable jets. It has good top-end power and smooth low-end idle/response.
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