I concur, tangofox told me that and despite my skepticism, was quite correct. Not sure I could have extracted the little valve parts but they are probably blocking the intake valve and you might be able to fish them out. I rebuilt mine because I had a kit on hand. It wasn't difficult, but you have to build a little stand and follow the DYI instructions.

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1983 CD
1958 Studebaker Packard (being resuscitated)