1920 Holly carburetor

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56autobody

Post subject: 1920 Holly carburetor

PostPosted: Tue Aug 16, 2016 4:28 pm

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I'm working on my 71 Plymouth 1920 carburetor. Put a kit in it all the ports were cleaned but when I accelerate quick the pump diaphragm moves very slow and the engine falls on it face. I went over the carb several times can't seem to resolve it. Any help for me?

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56autobody

Post subject: 1920 Holly carburetor

PostPosted: Tue Aug 16, 2016 4:35 pm

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When there is no fuel in the bowl the diaphragm moves quickly. I spayed carburetor cleaner through the ports and it comes out the 2 spray nozzles in the venture just fine.

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56autobody

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PostPosted: Wed Aug 17, 2016 5:33 pm

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Resolved the issue. Disassemble agian and ran it through the sonic cleaner agian must have had something in 1 of the ports. Works great now.

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