When the car is not running and fuel is squirted on the shaft it will find its way out. On a running motor the problem is almost non existent. I rebuilt that carb for him last year. I must have judged that shaft to be ok. The TQ has a lot of shaft hanging out there unsupported, so any wiggle is drastically exaggerated out at the end. Unlike a Holley. However had I heard from him about this issue, I would have resolved it. And still will, gladly. But i don’t think that it is sucking much air, last week the OP posted a concern of a possible rich condition. Then that thread just died.