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Now we can bolt the vacuum-secondary diaphragm housing back on the carb body. Make sure the little cork gasket is in place (arrow). If this gasket is missing or damaged, the secondaries won’t open. Don’t forget to replace that tiny little C-clip on the secondary throttle shaft.
Rebuild a Holley Carburetor

Now we can bolt the vacuum-secondary diaphragm housing back on the carb body. Make sure the little cork gasket is in place (arrow). If this gasket is missing or damaged, the secondaries won’t open. Don’t forget to replace that tiny little C-clip on the secondary throttle shaft.  View Related Article

 

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