Carb rebuild HELP!

Troub said

Mike’s Carbs came through as usual. The power valve spring part 66-123 will work.

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Just a quick note for others thinking of or are rebuilding same holley type Carb - depending on 1960's year model /6 there were THREE 3 DIFFERENT TYPES of those shaped Accel Pump Diaphragms with actuating lever/arm attached : Mid model in I think '64 there was early & late & punched holes are in different places if your buying a modern generic kit just be careful. Because over time people did swapout carbs 1 for another too so before buttoning up double check both your old Accel pump diaphragm/gasket & the new one
There's also a slight difference in length of the actuating are IF mrnt for a Ford Truck or IHC if memory serves me correctly (& yes you need that spring that fronts up to it too) - as earlier suggested be cautious if swap meet type carb buy/core rather than off a running car: parts could be missing. If your having stalling, poor idle flat spotting low down its an absolute you make sure the idle air bleeds down carb throat are absolutely cleaned with carb cleaner & compressed air..causes a multitude of sins IF partially blocked or internally gummed up.
Good luck. Trev