A couple of additional items ..... I did not want to be a "hog" so I did not mention them earlier ....... and - being honest - I am surprised that no one else has mentioned them .......

The primary squirter(pump jet housing) ... needs to be .005 or slightly larger.

Also ... there are lots of carbs that have mis-matched primary jets and metering rods. SOOOO mismatched that you can never "tune" the carb properly. Make sure that the two parts are compatable.