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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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#64220 08/11/2006 12:59 AM | Joined: Jun 2006 Posts: 49 Wrench Fetcher | | Wrench Fetcher Joined: Jun 2006 Posts: 49 | My experience has been that the original Rochester B's run rich. A rebuild kit MAY help but thats just the way they are. The idle adjustment (thats the screw on the base of the carby)will lean out the mixture at idle but it will still run rich when not at idle. There is no adjustment I am aware of other than changing the jet and thats only if you know what you have and can find a smaller one. Many folks, me included, switched to the Carter YF carb. | | |
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