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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: Sep 2005 Posts: 1,028 'Bolter | | 'Bolter Joined: Sep 2005 Posts: 1,028 | I had the same issue with my 235 and Rochester B
Check the gasket under the carb. There are 2 types of gaskets. One has notches closer to the bolt holes and the other further from the bolt holes. These notches expose a small hole on the bottom of the carb.
I switched from one gasket to the other and the screetch went away
I ended up with the Gasket that has the notches further from the bolt holes it exposes a different hole on the bottom of the carb (there are 2)
I hope this helps
Rich | | |
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