Carter AFB 9636 ?

Good thinking Cheif.

If the needle and seat are oversized, they will be hard to seal and will need a different float setting, lower, so it will give more pressure to the needle to seal in the seat.

Fuel pressure is also a good idea to look at. It will act just like what Cheif was saying about an oversized needle and seat.

Ohh, the joys of carb tuning...He he he, step by step......