I am returning to my hard-starting problem. First, I plan to rebuild a priming-type fuel pump and install it.

Then I plan to replace the rubberized diaphragm and rubberised gasket on each carb. The car runs well at speed and at idle when finally started from cold. In addition to replacing the accelerator pump items, should I try to replace the jets and seats? M-B no longer supplies the large carb rebuild kit, but does supply a kit with figer gaskets and rings. Royze sells a kit but that too does not contain the jets and seats.

What are folks thoughts? Thanks

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Douglas
1959 M-B 220S cabriolet